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发明名称
摘要
申请公布号
JPS4319436(Y1)
申请公布日期
1968.08.13
申请号
JP19640095050U
申请日期
1964.02.08
申请人
发明人
分类号
B24B21/02;A63F7/02;B24B11/02;(IPC1-7):B24B21/02
主分类号
B24B21/02
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代理人
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