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发明名称
OPTISCHES LESEGERAET FUER SEHSCHWACHE
摘要
申请公布号
DE3522187(A1)
申请公布日期
1986.01.16
申请号
DE19853522187
申请日期
1985.06.21
申请人
VEB RATHENOWER OPTISCHE WERKE >>HERMANN DUNCKER<<
发明人
METHLING,DIETER,DR.RER.NAT.;BECKER,HANS;BLOCH,WULF;LINDE,FRITZ;MUSOLD,WOLFGANG
分类号
G02B21/00;(IPC1-7):G02B27/02
主分类号
G02B21/00
代理机构
代理人
主权项
地址
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