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发明名称
Pipe cutter
摘要
申请公布号
US1810344(A)
申请公布日期
1931.06.16
申请号
US19290359093
申请日期
1929.04.29
申请人
W. L. PEARCE
发明人
CHURCH WALTER L.
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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