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发明名称
摘要
申请公布号
FR1589914(A)
申请公布日期
1970.04.06
申请号
FRD1589914
申请日期
1968.10.24
申请人
发明人
分类号
G03G7/00;G03G13/16;G03G13/20;G03G15/14;G03G15/16;G03G15/20;G03G15/24;G03G17/04;G03G17/10
主分类号
G03G7/00
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代理人
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地址
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