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发明名称
Optical Objective of Variable Focal Length
摘要
申请公布号
GB1167373(A)
申请公布日期
1969.10.15
申请号
GB19670002231
申请日期
1967.01.16
申请人
THE RANK ORGANISATION LIMITED
发明人
GORDON HENRY COOK;FRANCOIS LAURENT
分类号
G02B15/177
主分类号
G02B15/177
代理机构
代理人
主权项
地址
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