China Requirements of oxyg GB Standards Search Result

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	GB/T 40519-2021 Design requirements for atomic oxygen protection of spacecraft 航天器原子氧防护设计要求 - 英文版
	GB/T 35414-2017 Requirements of oxygen conditioning for indoor oxygen diffusion in plateau area 高原地区室内空间弥散供氧（氧调）要求 - 英文版

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