Webgb 16912-2008 深度冷冻法生产氧气及相关气体安全技术规程 本标准代替GB 16912-1997 … WebApr 9, 2024 · GB/T 14604-2009 (GBT 14604-2009) Gas for electronic industry. Oxygen. National Standard Approval Announcement 2009 No.12 (Total No.152) This standard specifies the electronics industry with the technical requirements set out, test methods and packaging, signs, storage and safety. This standard applies to cryogenic method, …
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WebApr 7, 2024 · gb 23394-2009 自给闭路式压缩氧气呼吸器. gb 16912-2008 深度冷冻法生产氧气及相关气体安全技术规程. gb/t 19789-2005 包装材料 塑料薄膜和薄片氧气透过性试验 库仑计检测法. gb/t 19284-2003 医用氧气加压舱. gb/t 14599-2008 纯氧、高纯氧和超纯氧 3)氮气. 检测范围: WebFeb 25, 2024 · BASIC DATA; Standard ID: TB/T 3241-2010 (TB/T3241-2010) Description (Translated English) Mobile rail welding vehicle: Sector / Industry: Railway & Train Industry Standard (Recommended) directory in outlook
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http://35331.cn/lhd_93frj24jx123x6j11q13_1.html WebApr 8, 2024 · SH 3501-2011. BASIC DATA. Standard ID. SH 3501-2011 (SH3501-2011) Description (Translated English) Construction and accptance specification for toxic and combustible medium steel piping engineering in petrochemical industry. Sector / Industry. Petrochemical Industry Standard. Classification of Chinese Standard. Webgb 16912-1997 氧气及相关气体安全技术规程 gb 16912-2008 深度冷冻法生产氧气及相关气体安全技术规程 gb/t 17216-2012 人防工程平时使用环境卫生要求 gb/t 17222-2012 煤制气业卫生防护距离 gb/t 17223-2012 中小学生一日学习时间卫生要求 gb/t 17226-2024 中小学校教室换气卫生要求 directory in python