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经营范围
发明名称
Lichtpausapparat mit durchsichtigem Spannblatt
摘要
申请公布号
DE553454(C)
申请公布日期
1932.06.25
申请号
DE1929L076666D
申请日期
1929.11.07
申请人
DR.-ING. FRANZ LEINER
发明人
分类号
G03B27/22
主分类号
G03B27/22
代理机构
代理人
主权项
地址
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