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发明名称
摘要
申请公布号
JP2543222(Y2)
申请公布日期
1997.08.06
申请号
JP19900076943U
申请日期
1990.07.18
申请人
发明人
分类号
G03G21/00;G03G15/00;G03G21/14;(IPC1-7):G03G21/00
主分类号
G03G21/00
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