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发明名称
Farbenfreies Vergroesserungsglas
摘要
申请公布号
DE745393(C)
申请公布日期
1944.06.17
申请号
DE1943B199394D
申请日期
1943.08.29
申请人
EMIL BUSCH;AG. OPTISCHE INDUSTRIE
发明人
MARTIN KARL
分类号
G02B25/00
主分类号
G02B25/00
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