JB/T 7757-2020
O-ring rubber ring for mechanical seal (English Version)
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JB/T 7757-2020
Standard No.
JB/T 7757-2020
Language
Chinese,
Available in English version
Release Date
2020
Published By
工业和信息化部
Latest
JB/T 7757-2020
Replace
JB/T 7757.2-2006
JB/T 7757-2020 history
2020
JB/T 7757-2020
O-ring rubber ring for mechanical seal
2006
JB/T 7757.2-2006
The rubber O-ring for mechanical seal
1995
JB/T 7757.2-1995
O-ring rubber for mechanical seal
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