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English Translations » 信息处理 » Acceptance of spiral welded pipes for low-pressure applicati

Acceptance of spiral welded pipes for low-pressure applications

2009-03-12View Original

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For the acceptance of spiral welded pipes used at low pressures, there is a quality guarantee certificate issued by the manufacturer, but it does not include the furnace batch number of the raw material coils; can the supervisor approve their use?； Based on **standards? Thank you
Reply #22009-03-13
Why isn’t anyone answering? Don’t they know?

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Translated at 2026-07-28 03:38:28

Original: https://bbs.hcbbs.com/thread-413997-1-1.html

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