Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with full face mask. Requirements, testing, marking
呼吸保护装置 带全面罩的自给式开路压缩空气呼吸器 要求、测试、标记

2006-11-30

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking
呼吸防护装置.带全面罩的自给式开路压缩空气呼吸器.要求 试验和标记

2007-01-01

Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking
呼吸防护装置.带全面罩的自给式开路压缩空气呼吸器.要求 试验和标记

2007-05-23

Respiratory protective devices. Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape. Requirements, testing, marking
呼吸保护装置 带全面罩或用于逃生的口罩组件的自给式开路压缩空气呼吸器 要求、测试、标记

2003-05-28

Respiratory protective devices - Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape - Requirements, testing, marking
呼吸防护装置.带逃生用全面罩或口罩组件的自给式开路压缩空气呼吸器.要求 试验和标记

2004-01-30

Detail specification for lead-screw actuated wirewound or non-wirewound preset potentiometers. Rectangular and square forms, container sealed, actuating device insulated from resistive element, slipping clutch at each end of travel. Full assessment level
丝杠驱动线绕或非线绕预置电位器详细规范 矩形和方形 容器密封 驱动装置与电阻元件绝缘 行程两端滑动离合器 全面评估水平

1974-02-15