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发明名称
ZOOM LENS WITH FOCUSING FUNCTION HAVING CHANGE IN ANGLE OF VIEW PREVENTED
摘要
申请公布号
JPS5672411(A)
申请公布日期
1981.06.16
申请号
JP19790150244
申请日期
1979.11.20
申请人
CANON KK
发明人
TANAKA KAZUO;TSUJI SADAHIKO
分类号
G02B15/22;G02B15/173
主分类号
G02B15/22
代理机构
代理人
主权项
地址
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