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经营范围
发明名称
Grinding machine
摘要
申请公布号
US2441784(A)
申请公布日期
1948.05.18
申请号
US19440563467
申请日期
1944.11.15
申请人
FEDERAL PRODUCTS CORPORATION
发明人
WORTHEN JOHN H.
分类号
B24B3/12
主分类号
B24B3/12
代理机构
代理人
主权项
地址
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