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发明名称
PHOTOCHROMIC GLASSLENSES
摘要
申请公布号
GB1557848(A)
申请公布日期
1979.12.12
申请号
GB19770010968
申请日期
1977.03.15
申请人
AMERICAN OPTICAL CORP
发明人
分类号
C03C4/06;C09K9/00;G02C7/10;(IPC1-7):C03B32/00
主分类号
C03C4/06
代理机构
代理人
主权项
地址
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