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经营范围
发明名称
Grinding machine
摘要
申请公布号
US1960730(A)
申请公布日期
1934.05.29
申请号
US19310525374
申请日期
1931.03.26
申请人
GENERAL MOTORS CORPORATION
发明人
CRAMER RAYMOND H.
分类号
B24B5/35
主分类号
B24B5/35
代理机构
代理人
主权项
地址
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