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发明名称
Pipe coupling
摘要
申请公布号
US1819007(A)
申请公布日期
1931.08.18
申请号
US19300421427
申请日期
1930.01.17
申请人
A. O. SMITH CORPORATION
发明人
SMITH GEORGE M.
分类号
F16L17/03
主分类号
F16L17/03
代理机构
代理人
主权项
地址
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