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经营范围
发明名称
Pipe joint intersector
摘要
申请公布号
US2647319(A)
申请公布日期
1953.08.04
申请号
US19500141281
申请日期
1950.01.30
申请人
GRUBICH STEPHAN A
发明人
GRUBICH STEPHAN A.
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
主权项
地址
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