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经营范围
发明名称
Internal pipe clamp
摘要
申请公布号
US3044431(A)
申请公布日期
1962.07.17
申请号
US19600029467
申请日期
1960.05.16
申请人
CRUTCHER-ROLFS-CUMMINGS, INC.
发明人
CUMMINGS ERNEST E.
分类号
B23K37/053;F16L1/10
主分类号
B23K37/053
代理机构
代理人
主权项
地址
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