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发明名称
Cutter chain
摘要
申请公布号
US2121043(A)
申请公布日期
1938.06.21
申请号
US19340755012
申请日期
1934.11.27
申请人
SULLIVAN MACHINE COMPANY
发明人
NOBLE WARREN
分类号
E21C35/193
主分类号
E21C35/193
代理机构
代理人
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