发明名称 BRANCH PIPE OR PIPE MADE OF CAST IRON OR STEEL
摘要 The shaped component or pipe made of cast Fe or steel (for use, in partic. as fittings in water closets), pref. in the form of a pipe bend or connecting piece, is characterised by the fact that its inner wall is provided with a smooth enamel coating with a multitude of embedded bubbles.
申请公布号 HRP950065(A2) 申请公布日期 1997.06.30
申请号 HR1995P000065 申请日期 1995.02.14
申请人 EISENWERKE FRIED. WILH. DUEKER GMBH & CO 发明人 WINFRIED HAIN;KLAUS MARSCHALL
分类号 C23D5/00;E03C1/00;E03C1/12;F16L9/18;F16L21/03;F16L55/02;F16L58/14 主分类号 C23D5/00
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