["Über GB/T 9/T- 91122-9/T- Stahlahlfläenarten und -/T- Parameter",,"Sehr geehrte Seeen! GB/T 9/T- 911122-9/T- und GB/T 9111122- 9/T- St Stahlflängenarten und Parameter" "sind beide这两"empfehlungsstndards在empstand "auf 工标网在 �rkstatt失效。那么 �em �目用标准是哪个呢，请 �明指迷津。。,"HG/T 92592-2/T- HG/T 9 6515- G/T- ","/T 9/T 9/T" "GB/T 99 "St Stflängenarten管第" "GB/T 9/T" "GB/T 9/T" ]/T"

2020-03-16View Original

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各位海友好！ GB/T 9112-2000和GB/T9112-2010钢制管法兰类型与参数，这两个**推荐标准在工标网查询均是作废状态，那目前关于法兰的现用标准是那个呢，请指点迷津。

Reply #22020-03-16

HG/T 20592-2009;HG/T 20615-2009

Reply #32020-03-16

GB/T 9124.1-2019 钢制管法兰第1部分：PN 系列 GB/T 9124.2-2019 钢制管法兰第2部分：Class 系列

Reply #42020-03-16

GB/T20592-2008

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