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发明名称
REAR APERTURE CONVERTER
摘要
申请公布号
GB2081915(B)
申请公布日期
1984.05.16
申请号
GB19810023565
申请日期
1981.07.31
申请人
ASAHI KOGAKU KOGYO KK
发明人
分类号
G03B7/20;G02B15/10;G03B17/14;(IPC1-7):G03B17/14
主分类号
G03B7/20
代理机构
代理人
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