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发明名称
Nouveau filtre photochromique
摘要
申请公布号
FR1449287(A)
申请公布日期
1966.08.12
申请号
FR19650033797
申请日期
1965.10.05
申请人
AMERICAN CYANAMID COMPANY
发明人
分类号
G02B5/23;G03C1/73
主分类号
G02B5/23
代理机构
代理人
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