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发明名称
Method of and apparatus for cutting pipe
摘要
申请公布号
US2304793(A)
申请公布日期
1942.12.15
申请号
US19410397252
申请日期
1941.06.09
申请人
THE CALPAT CORPORATION
发明人
JR. ALBERT G. BODINE,
分类号
E21B29/00;E21B31/00;E21B43/112
主分类号
E21B29/00
代理机构
代理人
主权项
地址
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