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经营范围
发明名称
VARIABLE DENSITY LIGHT FILTERING MEANS UTILIZING LEUCO PHENAZINE DYES
摘要
申请公布号
IL34248(A)
申请公布日期
1972.12.29
申请号
IL19700034248
申请日期
1970.04.06
申请人
AMERICAN OPTICAL CORP
发明人
分类号
C09K9/02;C09B17/00;G02B5/23;G02B5/24;G03C1/73;(IPC1-7):G02B5/24
主分类号
C09K9/02
代理机构
代理人
主权项
地址
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