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发明名称
VORRICHTUNG ZUR TROPFSICHEREN ABDICHTUNG VON ZAPFHAEHNEN UND SONSTIGER ARMATUREN MITTELS DES IN DER LEITUNG HERRSCHENDEN DRUCKES, SOWIE DURCH ZWEI DICHTUNGEN.
摘要
申请公布号
DE1659177(U)
申请公布日期
1953.07.16
申请号
DE194900D7419U
申请日期
1949.09.27
申请人
ALBERT DAHLMANN
发明人
ALBERT DAHLMANN
分类号
主分类号
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