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发明名称
Coupling for pipe lines
摘要
申请公布号
US1830782(A)
申请公布日期
1931.11.10
申请号
US19270229604
申请日期
1927.10.29
申请人
A. O. SMITH CORPORATION
发明人
BURNISH HOWARD J.;SMITH CHARLES S.
分类号
F16L21/06;F16L23/04
主分类号
F16L21/06
代理机构
代理人
主权项
地址
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