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发明名称
OPTISCHER KOPPLER
摘要
申请公布号
DE2509112(B2)
申请公布日期
1977.12.08
申请号
DE19752509112
申请日期
1975.03.03
申请人
发明人
分类号
G02B5/08;G02B6/28;H04B10/272;(IPC1-7):G02B5/16
主分类号
G02B5/08
代理机构
代理人
主权项
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