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发明名称
VORRICHTUNG ZUR VERHINDERUNG DER WEITERLEITUNG VON SCHALL UEBER LUFTSCHAECHTE.
摘要
申请公布号
DE1762261(U)
申请公布日期
1958.02.27
申请号
DE195700W8760U
申请日期
1957.12.27
申请人
HEINRICH WALTER G.M.B.H.
发明人
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主分类号
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