Assembly tools for screws and nuts. Drive ends for hand and machine-operated screwdriver bits and connecting parts. Dimensions, torque testing
螺钉和螺母的装配工具 手动和机械操作螺丝刀头和连接件的驱动端 尺寸、扭矩测试

2001-07-15

螺栓螺母用装配工具　手动和机动螺刀头的传动端和连接部件的尺寸及扭矩试验
Assembly tools for screws and nuts—Dimensions and torque testing of drive ends for hand and machine-operated screwdriver bits and connecting parts

2018-12-28

Assembly tools for screws and nuts -- Drive ends for hand- and machine-operated screwdriver bits and connecting parts -- Dimensions, torque testing
螺钉和螺母用装配工具手动和机械操作螺丝刀头及连接件的驱动端尺寸和扭矩试验

2009-06-24

Assembly tools for screws and nuts — Drive ends for hand- and machine-operated screwdriver bits and connecting parts — Dimensions, torque testing
螺钉和螺母的装配工具——手动和机械操作螺丝刀头和连接件的驱动端——尺寸、扭矩测试

2001-03-29