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发明名称
(B) ;TREIBERSCHALTUNG ZUR REGENERIERUNG VON ANZEIGEZUSTAENDEN BEI ELEKTROCHROMEN ANZEIGEELEMENTEN
摘要
申请公布号
CH621451(A)
申请公布日期
1981.02.13
申请号
CH19770009176
申请日期
1977.07.25
申请人
发明人
分类号
G02F1/163;G09G3/19
主分类号
G02F1/163
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代理人
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地址
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