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发明名称
IMPROVEMENTS IN OR RELATING TO ZOOM LENSES
摘要
申请公布号
HK14979(A)
申请公布日期
1979.03.30
申请号
HK19790000149
申请日期
1979.03.22
申请人
VIVITAR CORP
发明人
分类号
G02B7/10;G02B15/17;G02B15/20;(IPC1-7):G02B15/14;G02B9/36
主分类号
G02B7/10
代理机构
代理人
主权项
地址
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