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发明名称
Cutter chain
摘要
申请公布号
US2244198(A)
申请公布日期
1941.06.03
申请号
US19320649003
申请日期
1932.12.27
申请人
SULLIVAN MACHINERY COMPANY
发明人
HOLMES MORRIS P.
分类号
E21C35/19;E21C35/193
主分类号
E21C35/19
代理机构
代理人
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