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发明名称
Method of manufacturing joints
摘要
申请公布号
US2690004(A)
申请公布日期
1954.09.28
申请号
US19490115703
申请日期
1949.09.14
申请人
EDWARD VALVES, INC.
发明人
CRAWFORD WILLIAM F.
分类号
B23P11/00;F16C11/06
主分类号
B23P11/00
代理机构
代理人
主权项
地址
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