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发明名称
摘要
申请公布号
JPH0339794(Y2)
申请公布日期
1991.08.21
申请号
JP19790178837U
申请日期
1979.12.24
申请人
发明人
分类号
G03G15/00;G03B27/00;G03G21/00;G03G21/04;(IPC1-7):G03G15/00
主分类号
G03G15/00
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