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发明名称
Pipe cutter
摘要
申请公布号
US2534858(A)
申请公布日期
1950.12.19
申请号
US19460675425
申请日期
1946.06.08
申请人
ELLIS GUY P
发明人
ELLIS GUY P.
分类号
E21B29/00
主分类号
E21B29/00
代理机构
代理人
主权项
地址
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