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发明名称
Pipe fitting
摘要
申请公布号
US2271282(A)
申请公布日期
1942.01.27
申请号
US19390273689
申请日期
1939.05.15
申请人
YOUNG BERNARD A
发明人
YOUNG BERNARD A.
分类号
F16K3/312
主分类号
F16K3/312
代理机构
代理人
主权项
地址
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