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经营范围
发明名称
Pipe cutter
摘要
申请公布号
US2136518(A)
申请公布日期
1938.11.15
申请号
US19360101545
申请日期
1936.09.19
申请人
JOE NIXON
发明人
NIXON JOE
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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