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发明名称
摘要
申请公布号
JPS528454(Y1)
申请公布日期
1977.02.22
申请号
JP19700127904U
申请日期
1970.12.18
申请人
发明人
分类号
G03G15/14;G03G21/00;(IPC1-7):G03G21/00
主分类号
G03G15/14
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代理人
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