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发明名称
WIDE ANGLE LENSES
摘要
申请公布号
GB1484321(A)
申请公布日期
1977.09.01
申请号
GB19740036799
申请日期
1974.08.21
申请人
OPTIGON RES & DEV CORP
发明人
分类号
G02B7/10;G02B13/00;G02B13/04;(IPC1-7):G02B7/04;G02B9/64
主分类号
G02B7/10
代理机构
代理人
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