GB/T 3452.4-2020

O-rings for fluid power systems—Part 4:Anti-extrusion rings (back-up rings)

NORMA vydaná dňa 19.11.2020

Anglicky a čínsky -
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The information about the standard:

Designation standards: GB/T 3452.4-2020
Publication date standards: 19.11.2020
Country: Chinese technical standard
Kategória: Technické normy GB