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发明名称
Verwendung der Substitutionsderivate des Trimethyl-1, 3, 3-indolin-2-spiro-2'-pyridin(b)pyrans fuer Verglasungen mit veriabler Lichtdurchlaessigkeit
摘要
申请公布号
DE1284583(B)
申请公布日期
1968.12.05
申请号
DE1965C035112
申请日期
1965.02.17
申请人
COMPAGNIE DE SAINT-GOBAIN
发明人
CHARLES BRULE, DANIEL
分类号
C03C17/28;C07D471/20;G02B5/23;G03C1/685
主分类号
C03C17/28
代理机构
代理人
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