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发明名称
Outside pipe cutter
摘要
申请公布号
US1834071(A)
申请公布日期
1931.12.01
申请号
US19280321052
申请日期
1928.11.22
申请人
JAMES S. ABERCROMBIE
发明人
REED DEMPSON HERBERT
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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