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发明名称
摘要
申请公布号
JPH0550475(U)
申请公布日期
1993.07.02
申请号
JP19910102575U
申请日期
1991.12.12
申请人
发明人
分类号
G03G15/00;G03G21/00;(IPC1-7):G03G21/00
主分类号
G03G15/00
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代理人
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