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发明名称
摘要
申请公布号
CH596561(A5)
申请公布日期
1978.03.15
申请号
CH19750016133
申请日期
1975.12.12
申请人
DE OUDE DELFT (NV OPTISCHE INDUSTRIE)
发明人
ABRAHAM GROENEWEG
分类号
G02B17/02;G02B27/00;G02B27/10;G02B27/18;G02B27/64;G03B17/24;G03B42/02;G03B42/04;(IPC1-7):G02B27/00;G03B21/00
主分类号
G02B17/02
代理机构
代理人
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