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发明名称
COUNTERBALANCING APPARATUS FOR USE IN AN OPTICAL INSTRUMENT
摘要
申请公布号
EP0202533(A3)
申请公布日期
1988.09.07
申请号
EP19860106165
申请日期
1986.05.06
申请人
BAUSCH & LOMB INCORPORATED
发明人
DOBNER, MICHAEL H.;EDWARDS, EVAN A.
分类号
G02B7/04;F16F15/28;G02B7/00;G02B21/00;G02B21/24;G02B23/16;(IPC1-7):F16F15/28
主分类号
G02B7/04
代理机构
代理人
主权项
地址
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