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发明名称
ROUGHENING MACHINE
摘要
申请公布号
CA622574(A)
申请公布日期
1961.06.20
申请号
CAD622574
申请日期
申请人
OLIVER C. ECKEL
发明人
WALLACE M. CUTLER
分类号
主分类号
代理机构
代理人
主权项
地址
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