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发明名称
EINRICHTUNG ZUR SAUERSTOFFANREICHERUNG, INSBESONDERE FUER ABWASSERREINIGUNGSANLAGEN.
摘要
申请公布号
DE1710795(U)
申请公布日期
1955.11.10
申请号
DE195500P8699U
申请日期
1955.08.25
申请人
PASSAVANT-WERKE
发明人
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主分类号
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