SR 7949-1998 Equipment for chemical industry Elliptical heads for vessels Dimensions《化学工业设备 船只用椭圆形封头 尺寸》.pdf

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JIS R1536-2009 (追補1)化学工业用耐酸耐热砖.pdf

HG 20237-1994 化学工业工程建设交工技术文件规定.pdf

HG T 20525-1992 化学工业管式炉传热计算设计规定.pdf

HG T 20525-2006 化学工业管式炉传热计算设计规定.pdf

HGJ 231-1991 化学工业大、中型装置试车工作规范.pdf

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GB 16171-2012 炼焦化学工业污染物排放标准.pdf

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