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经营范围
发明名称
DEVICE FOR REMOTE CONTROLLED LAPPING OF A VALVE SEAT
摘要
申请公布号
GB1508145(A)
申请公布日期
1978.04.19
申请号
GB19750038263
申请日期
1975.09.17
申请人
OKANO VALVE SEIZO KK
发明人
分类号
B24B15/02;B24B15/08;B24B23/08;(IPC1-7):B24B15/02
主分类号
B24B15/02
代理机构
代理人
主权项
地址
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