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发明名称
REAR FOCUS TYPE ZOOM LENS
摘要
申请公布号
JPH03215810(A)
申请公布日期
1991.09.20
申请号
JP19900011531
申请日期
1990.01.20
申请人
CANON INC
发明人
SUGAWARA SABURO;HAMANO HIROYUKI;KIMURA KENICHI
分类号
G02B15/16;G02B15/20
主分类号
G02B15/16
代理机构
代理人
主权项
地址
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