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发明名称
ELECTRIC ZOOMING DEVICE
摘要
申请公布号
JPH03237412(A)
申请公布日期
1991.10.23
申请号
JP19900034605
申请日期
1990.02.15
申请人
ASAHI OPTICAL CO LTD
发明人
TAKAHASHI HIROYUKI
分类号
G02B7/08;G02B7/10;G03B5/00;H04N5/232
主分类号
G02B7/08
代理机构
代理人
主权项
地址
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