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经营范围
发明名称
Coupling flange
摘要
申请公布号
US2528343(A)
申请公布日期
1950.10.31
申请号
US19480015905
申请日期
1948.03.19
申请人
DAVIS MELVIN C
发明人
DAVIS MELVIN C.
分类号
F16L23/02;F16L23/032
主分类号
F16L23/02
代理机构
代理人
主权项
地址
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