YB/T 4781-2019
Fin welded steel tubes for heat exchangers (English Version)
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YB/T 4781-2019
Standard No.
YB/T 4781-2019
Language
Chinese,
Available in English version
Release Date
2019
Published By
工业和信息化部
Latest
YB/T 4781-2019
YB/T 4781-2019 history
2019
YB/T 4781-2019
Fin welded steel tubes for heat exchangers
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