Trival making of the DN 20 casting valve's hollow copper-stick
Author(s): WU Zhongming, GAO Zemin(fengyangvalvefactory, FENGYANG 032200, china)
Pages: 25-26
Year: 2003 Issue: 1
Journal: Valve
Keyword: 铸造工艺; 工装; 阀座;
Abstract: 介绍了加工阀座用ZCuZn3 8Mn2Pb2空心棒的铸造工艺及工装的技术改进
Pages: 25-26
Year: 2003 Issue: 1
Journal: Valve
Keyword: 铸造工艺; 工装; 阀座;
Abstract: 介绍了加工阀座用ZCuZn3 8Mn2Pb2空心棒的铸造工艺及工装的技术改进
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