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发明名称
Pipe connection and packing ring therefor
摘要
申请公布号
US2470883(A)
申请公布日期
1949.05.24
申请号
US19470767025
申请日期
1947.08.07
申请人
COMPAGNIE DE PONT-A-MOUSSON
发明人
BOISSOU PIERRE
分类号
F16L17/035;F16L21/025
主分类号
F16L17/035
代理机构
代理人
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地址
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