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经营范围
发明名称
Photochromic naphthopyrans
摘要
申请公布号
AU646125(B2)
申请公布日期
1994.02.10
申请号
AU19910091202
申请日期
1991.11.27
申请人
PPG INDUSTRIES, INC.
发明人
BARRY VAN GEMERT
分类号
C07D311/92;C07D405/06;C07D405/12;C07D407/06;C07D407/12;C07D409/06;C07D409/12;C09K9/02;G02F1/17;G03C1/685;(IPC1-7):C07D311/92;C08J7/06;B29D11/00;G02B1/04
主分类号
C07D311/92
代理机构
代理人
主权项
地址
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