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发明名称
(B) ;ANSTEUERSCHALTUNG FUER ELEKTROCHROME ANZEIGEELEMENTE
摘要
申请公布号
CH615799(A)
申请公布日期
1980.02.29
申请号
CH19770010141
申请日期
1977.08.18
申请人
发明人
分类号
G02F1/163;G09G3/19
主分类号
G02F1/163
代理机构
代理人
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