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经营范围
发明名称
Linsenfreie Sehvorrichtung
摘要
申请公布号
DE570622(C)
申请公布日期
1933.02.18
申请号
DENDATSC95586D
申请日期
申请人
DR. PETER SCHLUMBOHM
发明人
分类号
G02C7/16
主分类号
G02C7/16
代理机构
代理人
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