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经营范围
发明名称
ABRASIVE MEDIUM
摘要
申请公布号
GB9111999(D0)
申请公布日期
1991.11.06
申请号
GB19910011999
申请日期
1991.06.04
申请人
ROLLS-ROYCE PLC.
发明人
分类号
B23B27/14;C04B41/45;C04B41/81;C09K3/14;C22C26/00;C23C16/30;C23C16/442;C23C30/00
主分类号
B23B27/14
代理机构
代理人
主权项
地址
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