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发明名称
摘要
申请公布号
JPS5640551(U)
申请公布日期
1981.04.15
申请号
JP19800099874U
申请日期
1980.07.15
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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