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发明名称
VARIABLE DENSITY OPHTHALMIC DEVICE
摘要
申请公布号
AU499882(B2)
申请公布日期
1979.05.03
申请号
AU19760017985
申请日期
1976.09.21
申请人
POLAROID CORP.
发明人
V.K. ELORANTA;B.C. RUGGLES
分类号
G02C7/12;(IPC1-7):G02C7/12
主分类号
G02C7/12
代理机构
代理人
主权项
地址
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