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发明名称
Rueckstrahlfreie Oberlichter fuer Hallenbauten oder industrielle Anlagen fuer Luftschutzzwecke
摘要
申请公布号
DE715808(C)
申请公布日期
1942.01.07
申请号
DE1937K148486D
申请日期
1937.11.11
申请人
CARL KAELBLE
发明人
KAELBLE CARL
分类号
E04D3/28
主分类号
E04D3/28
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代理人
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