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发明名称
Means for reproduction of master shapes
摘要
申请公布号
US2969622(A)
申请公布日期
1961.01.31
申请号
US19570698593
申请日期
1957.11.25
申请人
MITCHELL GOGOL
发明人
GOGOL MITCHELL
分类号
B24B17/02
主分类号
B24B17/02
代理机构
代理人
主权项
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