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发明名称
Kerf-cutting machine
摘要
申请公布号
US2612362(A)
申请公布日期
1952.09.30
申请号
US19480006957
申请日期
1948.02.07
申请人
GOODMAN MANUFACTURING COMPANY
发明人
DRIEHAUS HERMAN W.
分类号
E21C31/00
主分类号
E21C31/00
代理机构
代理人
主权项
地址
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