SJ 3187-1989
Double butterfly valve for pipe (English Version)
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SJ 3187-1989
Standard No.
SJ 3187-1989
Language
Chinese,
Available in English version
Release Date
1989
Published By
Professional Standard - Electron
Latest
SJ 3187-1989
SJ 3187-1989 history
1989
SJ 3187-1989
Double butterfly valve for pipe
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