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发明名称
Method of welding tubular connections to pressure vessels
摘要
申请公布号
US1847361(A)
申请公布日期
1932.03.01
申请号
US19300452318
申请日期
1930.05.14
申请人
A. O. SMITH CORPORATION
发明人
POLLEI HAROLD O.
分类号
F16L41/08
主分类号
F16L41/08
代理机构
代理人
主权项
地址
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