HEI Standards Discount Bundle 1--国家数字标准馆

现行 HEI Standards Discount Bundle 1

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HEI标准包1包括:-蒸汽喷射真空系统标准，第7版（HEI 125）-蒸汽表面冷凝器标准，第12版（HEI 118）-风冷冷凝器标准，第2版（HEI 121，HEI 3087-2017）-液环真空泵和压缩机性能标准，第5版（HEI 119）

HEI Standards Bundle 1 includes:- Standards for Steam Jet Vacuum Systems, 7th Edition (HEI 125)- Standards for Steam Surface Condensers, 12th Edition (HEI 118)- Standards for Air Cooled Condensers, 2nd Edition (HEI 121, HEI 3087-2017)- Performance Standards for Liquid Ring Vacuum Pumps and Compressors, 5th Edition (HEI 119)

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发布单位或类别：美国-美国热交换学会

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