901 gb/t 12616-1990 封闭型沉头抽芯铆钉 120 deg flush head break mandrel closed end blind rivets

　　902 gb/t 12617-1990 开口型沉头抽芯铆钉 120 deg flush head break mandrel blind rivets

　　903 gb/t 12618-1990 开口型扁圆头抽芯铆钉 mushroom head break mandrel blind rivets

　　904 gb/t 12619-1990 抽芯铆钉 技术条件 specifications for break mandrel blind rivets

　　905 gb/t 12621-1990 管法兰垫片 应力松弛试验方法 test method for stress relaxation of gaskets for pipe flanges

　　906 gb/t 12622-1990 管法兰垫片 压缩率及回弹率试验方法 test method for compressibility and recorery of gaskets for pipe flanges

　　907 gb/t 12759-1991 双圆弧圆柱齿轮基本齿廓 double-circular-arc tooth profile of basic rack for cylindrical gears

　　908 gb/t 12760-1991 圆柱蜗杆、蜗轮图样上应注明的尺寸数据 cylindrical worm and wormwheel information of the dimensional data to be given on the drawing

　　909 gb/t 12764-1991 滚动轴承 冲压外圈滚针轴承外形尺寸方案 rolling bearings—needle roller bearings, drawn cup, without inner ring—boundary dimension plan

　　910 gb/t 12765-1991 关节轴承 安装尺寸 spherical plain bearings, joint type—abutment and fillet dimensions

911 gb/t 12948-1991 滑动轴承 双金属结合强度破坏性试验方法 plain bearings—metallic multilay er plain bearings—destructive testing of bond for bearing metals

　　912 gb/t 12949-1991 滑动轴承 覆有减摩塑料层的双金属轴套 plain bearings—bimetallic bushes with plastic overlay

　　913 gb/t 13345-1992 轧机油膜轴承通用技术条件 general technical requirement of oil film bearing for rolling mill

　　914 gb/t 13401-1992 钢板制对焊管件 steel plate butt-welding pipe fittings

　　915 gb/t 13402-1992 大直径碳钢管法兰 large-diameter carbon steel pipe flanges

　　916 gb/t 13403-1992 大直径碳钢管法兰用垫片 gaskets for large-diameter cabon steel pipe flanges

　　917 gb/t 13404-1992 管法兰用聚四氟乙烯包复垫片 polytetrafluoroethylene envelope gaskets for pipe flanges

　　918 gb/t 13405-1992 汽车v带轮 grooved pulleys for automotive v-belt

　　919 gb/t 13575.1-1992 带传动——普通v带传动 belt drives—classical v-belt drives

　　920 gb/t 13575.2-1992 带传动——窄v带传动 belt drives—narrow v-belt drives

　　921 gb/t 13672-1992 齿轮胶合承载能力试验方法 standard test method for scuffing load capacity of gears

　　922 gb/t 13680-1992 焊接方螺母 square weld nuts

　　923 gb/t 13681-1992 焊接六角螺母 hexagon weld nuts

　　924 gb/t 13682-1992 螺纹紧固件轴向载荷疲劳试验方法 axial load fatigue testing for threaded fasteners

925 gb/t 13683-1992 销 剪切试验方法 pins and grooved pins—shear test

　　926 gb/t 13799-1992 双圆弧圆柱齿轮承载能力计算方法 methods of the calculation for load capacity of cylindrical gear with double-circular-arc tooth profile

　　927 gb/t 13806.1-1992 精密机械用紧固件 十字槽螺钉 fasteners for fine mechanics——cross recessed screws

　　928 gb/t 13806.2-1992 精密机械用紧固件 十字槽自攻螺钉 刮削端 fasteners for fine mechanics——cross recessed tapping screws——scrape point

　　929 gb/t 13807.1-1992 腰状杆螺柱连接副 型式分类 connections with waisted stud——tape classification

　　930 gb/t 13829.1-1992 槽销 平行沟槽 grooved pins——parallel grooved

　　931 gb/t 13829.2-1992 槽销 锥槽 grooved pins——taper grooved

　　932 gb/t 13829.3-1992 槽销 圆头、沉头 grooved pins——with round head or countersunk head

　　933 gb/t 13924-1992 渐开线圆柱齿轮精度检验规范 inspection code for accuracy of involute cylindrical gears

　　934 gb/t 13927-1992 通用阀门 压力试验 pressure testing for general purpose valves

　　935 gb/t 13932-1992 通用阀门铁制旋启式止回阀 general purpose industrial valves——cast iron swing check valves

　　936 gb/t 14118-1993 谐波传动减速器 harmonic drive reducers

　　937 gb/t 14210-1993 墙板自攻螺钉 dry wall screws

　　938 gb/t 14212-1993 摩托车链条 motorcycle chains

939 gb/t 14229-1993 齿轮接触疲劳强度试验方法 standard of test method for surface load capacity of gears

　　940 gb/t 14230-1993 齿轮弯曲疲劳强度试验方法 standard of test methed for bending load capacity of gears

　　941 gb/t 14231-1993 齿轮装置效率测定方法 determination of efficiency for gear units

　　942 gb/t 14382-1993 管道用三通过滤器 tee strainers for fluids for pipes

　　943 gb/t 14383-1993 锻钢制承插焊管件 forged steel socket welding pipe fittings

　　944 gb/t 14525-1993 波纹金属软管通用技术条件 general specification for corrugated metallic hose assemblies

　　945 gb/t 14626-1993 锻钢制螺纹管件 forged steel threaded pipe fittings

　　946 gb/t 14910-1994 滑动轴承 厚壁多层轴承衬背技术要求 plain bearings——requirements on backings for thick-walled multilayer bearings

　　947 gb/t 15096-1994 液粘调速离合器 hydroviscous variable speed clutch

　　948 gb/t 15185-1994 铁制和铜制球阀 cast iron and copper alloy ball valves

　　949 gb/t 15188.1-1994 阀门的结构长度 对焊连接阀门 face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves——buttwelding valves

　　950 gb/t 15188.2-1994 阀门的结构长度 对夹连接阀门 face-to-face, centre-to-face, end-to-end and centre-to-end dimensions of valves——wafer valves