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发明名称
Duplicating grinder
摘要
申请公布号
US2222392(A)
申请公布日期
1940.11.19
申请号
US19400320990
申请日期
1940.02.27
申请人
BAERER EUGENE A
发明人
BAERER EUGENE A.
分类号
B24B17/00
主分类号
B24B17/00
代理机构
代理人
主权项
地址
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