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发明名称
ZOOM LENS
摘要
申请公布号
JPH03161729(A)
申请公布日期
1991.07.11
申请号
JP19890301444
申请日期
1989.11.20
申请人
IIYAMA KOSHINA:KK
发明人
NAKAYAMA TAKESHI
分类号
G02B15/20;G03B15/16
主分类号
G02B15/20
代理机构
代理人
主权项
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