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发明名称
Pipe cutting device
摘要
申请公布号
US2432703(A)
申请公布日期
1947.12.16
申请号
US19430498965
申请日期
1943.08.17
申请人
WALDEN FRANK H
发明人
WALDEN FRANK H.
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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