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Français Translations » 【静设备】 » Différences entre les normes JB/T4701-2000 et HG/T20592

Différences entre les normes JB/T4701-2000 et HG/T20592

2020-04-26View Original

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Différences entre les normes JB/T4701-2000 et HG/T20592: L’une est la norme de l’industrie des machines et l’autre est la norme de l’industrie chimique. Quelles sont les différences spécifiques ?
Reply #22020-04-26
Concernant ce problème, l'une est la bride de soudage plate de type A (mise à jour vers NB/T47021-212) et l'autre est la norme de bride de tuyau, qui sont fondamentalement incomparables.

Translated at 2026-08-05 06:06:05

Original: https://bbs.hcbbs.com/thread-2971305-1-1.html

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