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经营范围
发明名称
Optisch aktive Flüssigkristallkomponenten.
摘要
申请公布号
DE3888757(D1)
申请公布日期
1994.05.05
申请号
DE19883888757
申请日期
1988.08.12
申请人
F. HOFFMANN-LA ROCHE AG, BASEL, CH
发明人
KELLY, STEPHEN, DR., CH-4314 MOEHLIN, CH;LEENHOUTS, FRANS, DR., CH-4303 KAISERAUGST, CH;VILLIGER, ALOIS, DR., CH-4055 BASEL, CH
分类号
C07C69/75;C07C41/00;C07C43/20;C07C43/205;C07C43/235;C07C67/00;C07C69/757;C07C69/92;C07C69/94;C07C253/00;C07C255/49;C07C255/54;C07C255/55;C07C325/00;C07C327/24;C07C327/26;C07C327/28;C07D237/08;C07D237/14;C07D239/26;C07D239/34;C07D241/12;C07D241/18;C09K19/12;C09K19/20;C09K19/30;C09K19/34;C09K19/42;C09K19/44;C09K19/46;G02F1/13;G02F1/137;G02F1/139;(IPC1-7):C07C69/92
主分类号
C07C69/75
代理机构
代理人
主权项
地址
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