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发明名称
摘要
申请公布号
JP3002505(B2)
申请公布日期
2000.01.24
申请号
JP19900180264
申请日期
1990.07.06
申请人
发明人
分类号
B24D7/18;B24B1/00;(IPC1-7):B24D7/18
主分类号
B24D7/18
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