"rescurers " CNS Standards List| Method hardness | Prevailing torque | Method test | Acrylonitrile butadiene | Non oriented | Internet protocol | Polyvinyl formal | Method Test | |
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CNS 6705
2017 Edition Oxygen self rescurers 氧氣自救呼吸器 |
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CNS 6705
1998 Edition Oxygen self rescurers 氧氣自救呼吸器 |
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