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发明名称
摘要
申请公布号
JPS5336637(B1)
申请公布日期
1978.10.04
申请号
JP19730052749
申请日期
1973.05.11
申请人
发明人
分类号
B24B45/00;B24B27/06;B24D5/12;(IPC1-7):B24B45/00
主分类号
B24B45/00
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代理人
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