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发明名称
Abschirmung von Raumöffnungen durch einen Luftschleier
摘要
申请公布号
AT207088(B)
申请公布日期
1960.01.11
申请号
AT19570004049
申请日期
1957.06.21
申请人
RUDOLF STERKEL
发明人
RUDOLF STERKEL
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主分类号
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