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发明名称
Feed mechanism for grinding machines
摘要
申请公布号
US1919790(A)
申请公布日期
1933.07.25
申请号
US19300498059
申请日期
1930.11.25
申请人
THE MICRO CORPORATION
发明人
KOTTMAN ARTHUR A.
分类号
B24B47/20
主分类号
B24B47/20
代理机构
代理人
主权项
地址
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