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发明名称
LICHTFILTER.
摘要
申请公布号
DE1669022(U)
申请公布日期
1953.12.24
申请号
DE195300B3431U
申请日期
1953.06.11
申请人
WERNER BORCHMANN
发明人
WERNER BORCHMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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