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发明名称
EINRICHTUNG ZUR UNTERDRÜCKUNG STÖRENDER WELLEN IN HOHLROHRLEITUNGEN
摘要
申请公布号
DE751404(C)
申请公布日期
1944.07.15
申请号
DED751404
申请日期
1940.03.29
申请人
发明人
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主分类号
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