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经营范围
发明名称
Pipe joint
摘要
申请公布号
US2272194(A)
申请公布日期
1942.02.10
申请号
US19390296260
申请日期
1939.09.23
申请人
FRANCES JOSEPH E
发明人
FRANCES JOSEPH E.
分类号
F16L13/12
主分类号
F16L13/12
代理机构
代理人
主权项
地址
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