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发明名称
FLUESSIGKRISTALL-ANZEIGEVORRICHTUNG.
摘要
申请公布号
CH556078(A)
申请公布日期
1974.11.15
申请号
CH19720016633
申请日期
1972.11.15
申请人
OPTEL CORP.
发明人
分类号
C07D307/94;G02F1/133;G02F1/1345;G09G3/18;(IPC1-7):G09F9/30
主分类号
C07D307/94
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