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发明名称
Pipe fitting
摘要
申请公布号
US2227716(A)
申请公布日期
1941.01.07
申请号
US19390300718
申请日期
1939.10.23
申请人
INGHAM JOHN F
发明人
INGHAM JOHN F.
分类号
F24H9/12
主分类号
F24H9/12
代理机构
代理人
主权项
地址
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