卫浴管道UPC认证介绍----IAPMO

held Showers),  ASSE 1014;

7. 管箍及配件(Shielded couplings joining hubless cast iron soil pipe and fittings),  ASTM C1277;

8. 铸铁管/及管件(Hubless cast iron soil pipe and fittings for sanitary and storm drain waste, and went piping applications),  ASTM A888-04a。

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