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发明名称
Beleuchtungslinse oder -spiegel
摘要
申请公布号
DE527981(C)
申请公布日期
1931.06.24
申请号
DED527981D
申请日期
申请人
EMIL BUSCH AKT.-GES.;OPTISCHE INDUSTRIE
发明人
分类号
G02B3/00;G02B5/08
主分类号
G02B3/00
代理机构
代理人
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地址
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