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经营范围
发明名称
A GRINDING DEVICE
摘要
申请公布号
GB1213431(A)
申请公布日期
1970.11.25
申请号
GB19690003102
申请日期
1969.01.20
申请人
KABUSHIKI KAISHA OKAMOTO KOHSAKUKIKAI SEISAKUSHO
发明人
分类号
B23F3/00;B23F5/04;B23F19/00
主分类号
B23F3/00
代理机构
代理人
主权项
地址
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