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发明名称
Kerf cutting apparatus
摘要
申请公布号
US2394813(A)
申请公布日期
1946.02.12
申请号
US19410424423
申请日期
1941.12.26
申请人
SULLIVAN MACHINERY COMPANY
发明人
SIMMONS LEON E.
分类号
E21C35/19;E21C35/193
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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