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发明名称
PERFEZIONAMENTO NEI DISPOSITIVI FOTOCROMICI IN PARTICOLARE LENTI SOLARI
摘要
申请公布号
IT1052346(B)
申请公布日期
1981.06.20
申请号
IT19750052318
申请日期
1975.11.20
申请人
AMERICAN OPTICAL CORP
发明人
分类号
C08K5/00;C08K5/56;C09K9/00;C09K9/02;G02B1/04;G02B5/23;(IPC1-7):G02C/
主分类号
C08K5/00
代理机构
代理人
主权项
地址
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