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发明名称
摘要
申请公布号
JPS471593(Y1)
申请公布日期
1972.01.20
申请号
JP19680048137U
申请日期
1968.06.08
申请人
发明人
分类号
G03G15/09;(IPC1-7):G03G15/09
主分类号
G03G15/09
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代理人
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地址
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