801 gb/t 9131-1988 钢制管法兰压力温度等级 pressure-temperature ratings for steel pipe flanges

　　802 gb/t 9149-1988 磁粉离合器通用技术条件 general specification for magnetic particle clutch

　　803 gb/t 9150-1988 带座外球面球轴承 分类 bearing units—classification

　　804 gb/t 9161-1988 杆端关节轴承 外形尺寸 spherical plain bearing rod ends—boundary dimensions

　　805 gb/t 9162-1990 推力关节轴承外形尺寸 spherical plain thrust bearings—boundary dimensions

　　806 gb/t 9163-1990 向心关节轴承外形尺寸 spherical plain radial bearings, joint type—boundary dimensions

　　807 gb/t 9164-1990 角接触关节轴承外形尺寸 angular contact spherical plain bearings—boundary dimensions

　　808 gb/t 9456-1988 十字槽凹穴六角自攻螺钉 cross recessed hexagon head tapping screws with indentation

　　809 gb/t 9457-1988 1 型六角开槽螺母 细牙 a和b级 hexagon slotted and castle nuts, style l——fine pitch thread——product grades a and b

　　810 gb/t 9458-1988 2 型六角开槽螺母 细牙 a和b级 hexagon slotted and castle nuts, style 2——fine pitch thread——product grades a and b

　　811 gb/t 9459-1988 六角开槽薄螺母 细牙 a和b级 hexagon thin slotted nuts——fine pitch thread——product grades a and b

812 gb/t 9785-1988 链条、链轮术语 terminology of chains and chainwheels

　　813 gb/t 10042-1988 离合器术语 clutch——terminology

　　814 gb/t 10043-1988 离合器分类 clutch——classification

　　815 gb/t 10062-1988 锥齿轮承载能力计算方法 methods for the calculation of load capacity for bevel gears

　　816 gb/t 10063-1988 通用机械渐开线圆柱齿轮 承载能力简化计算方法 simplified methods for the calculation of load capacity of involute cylindrical gears for general machines

　　817 gb/t 10081-1988 矩形内花键 长度系列 straight-sided internal spline——length series

　　818 gb/t 10085-1988 圆柱蜗杆传动基本参数 basic parameters of cylindrical worm gears

　　819 gb/t 10086-1988 圆柱蜗杆、蜗轮术语及代号 terminology and symbols for cylindrical worm and worm wheel

　　820 gb/t 10087-1988 圆柱蜗杆基本齿廓 basic tooth profile of cylindrical worm

　　821 gb/t 10088-1988 圆柱蜗杆模数和直径 module and diameter of cylindrical worm

　　822 gb/t 10089-1988 圆柱蜗杆、蜗轮精度 accuracy of cylindrical worm and wormwheel

　　823 gb/t 10090-1988 圆柱齿轮减速器基本参数 basic parameters for cylindrical gear units

　　824 gb/t 10095-1988 渐开线圆柱齿轮精度 accuracy of involute cylindrical gears

　　825 gb/t 10096-1988 齿条精度 accuracy of rack

　　826 gb/t 10107.1-1988 摆线针轮行星传动 基本术语 basic terminology of cycloidal drives

　827 gb/t 10107.2-1988 摆线针轮行星传动 图示方法 representation of drawings for cycloidal drives

　　828 gb/t 10107.3-1988 摆线针轮行星传动 几何要素代号 symbols of geometrical data for cycloidal drives

　　829 gb/t 10224-1988 小模数锥齿轮基本齿廓 basic rack tooth profile of fine-pitch bevel gears

　　830 gb/t 10225-1988 小模数锥齿轮精度 accuracy of fine-pitch bevel gears

　　831 gb/t 10226-1988 小模数圆柱蜗杆基本齿廓 basic rack tooth profile of fine-pitch cylindrical worm

　　832 gb/t 10227-1988 小模数圆柱蜗杆、蜗轮精度 accuracy of fine-pitch cylindrical worm and wormwheel

　　833 gb/t 10412-1989 普通v带轮 grooved pulleys for classical v-belt

　　834 gb/t 10413-1989 窄v带轮 grooved pulleys for narrow v-belt

　　835 gb/t 10414-1989 汽车同步带传动 带轮 synchronous belt drives for automotive applications —pulleys

　　836 gb/t 10415-1989 农业机械用双面v带轮 agricultural machinery double v-belt pulleys

　　837 gb/t 10416-1989 农业机械用半宽v带轮 agricultural machinery half wide v-belt pulleys

　　838 gb/t 10429-1989 单级向心涡轮液力变矩器 型式和基本参数 single-stage centripetal turbine hydrodynamic torque converters—types and basic parameters

　　839 gb/t 10431-1989 紧固件横向振动试验方法 transverse vibration testing method for fasteners

　　840 gb/t 10432-1989 无头焊钉 headless studs for stud welding

841 gb/t 10433-1989 圆柱头焊钉 cheese head studs for stud welding

　　842 gb/t 10445-1989 滑动轴承 整体轴套的轴径 plain bearings—shaft diameters for unsplit bushes

　　843 gb/t 10446-1989 滑动轴承 整圆止推垫圈 尺寸和公差 plain bearings—ring type thrust washers made from strip—dimensions and tolerances

　　844 gb/t 10447-1989 滑动轴承 半圆止推垫圈 要素和公差 plain bearings—pressed bimetallic half thrust washers —features and tolerances

　　845 gb/t 10614-1989 芯型弹性联轴器 resilient coupling with core element

　　846 gb/t 10855-1989 传动用齿形链及链轮 inverted tooth chains and chainwheels

　　847 gb/t 10856-1989 双涡轮液力变矩器通用技术条件 general specifications of double——turbine torque converter

　　848 gb/t 11281-1989 控制微电机用齿轮减速器系列 reduction gearhead series of electrical micro-machine for automatic control system

　　849 gb/t 11355-1989 v 带传动 额定功率的计算 v-belt drives—calculation of power ratings

　　850 gb/t 11357-1989 带轮的材质、表面粗糙度及平衡 quality , surfaceroughness and balance of transmission pulleys