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发明名称
Dachentlueftungs-Vorrichtung, insbesondere fuer Grossraumentlueftung
摘要
申请公布号
DE803671(C)
申请公布日期
1951.04.09
申请号
DE1949P051355
申请日期
1949.08.07
申请人
PAUL KURT RITTERSHAUSEN
发明人
RITTERSHAUSEN PAUL KURT
分类号
F24F7/02
主分类号
F24F7/02
代理机构
代理人
主权项
地址
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