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发明名称
Pipe marking and cutting gauge
摘要
申请公布号
US2337957(A)
申请公布日期
1943.12.28
申请号
US19420440105
申请日期
1942.04.22
申请人
ALFRED A. DORMAN
发明人
AKINS JAKE
分类号
B23D21/02;B25H7/00
主分类号
B23D21/02
代理机构
代理人
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