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发明名称
FOCUSING METHOD OF ZOOM LENS
摘要
申请公布号
JPS606914(A)
申请公布日期
1985.01.14
申请号
JP19830114486
申请日期
1983.06.25
申请人
CANON KK
发明人
TANAKA TSUNEFUMI
分类号
G02B15/20;G02B15/173;G02B15/22;G02B15/28;(IPC1-7):G02B15/173
主分类号
G02B15/20
代理机构
代理人
主权项
地址
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