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发明名称
摘要
申请公布号
JPS615974(Y2)
申请公布日期
1986.02.22
申请号
JP19810152825U
申请日期
1981.10.16
申请人
发明人
分类号
B03C3/76;(IPC1-7):B03C3/76
主分类号
B03C3/76
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代理人
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