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经营范围
发明名称
Pipe flange
摘要
申请公布号
US2374574(A)
申请公布日期
1945.04.24
申请号
US19430505069
申请日期
1943.10.05
申请人
HAVEG CORPORATION
发明人
JR. WILLIAM H. ADAMS,
分类号
F16L23/12
主分类号
F16L23/12
代理机构
代理人
主权项
地址
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