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发明名称
摘要
申请公布号
FR2500180(B1)
申请公布日期
1984.07.06
申请号
FR19810008480
申请日期
1981.04.28
申请人
SUMITOMO ELECTRIC IND LTD
发明人
分类号
G03G15/20;(IPC1-7):03G15/20
主分类号
G03G15/20
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