medical oxygen respirator
... medical oxygen generator vehicle 制氧车 medical oxygen respirator 医用吸氧器 medical products 医用品 ...
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船用便携式医用吸氧器，内有氧气，压力12kpa，附有呼吸面罩，中英文用法说明。
Marine portable medical oxygen, and there are oxygen, pressure 12kpa, with breathing masks, instructions in both English and Chinese.
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