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发明名称
VORRICHTUNG ZUM PRUEFEN DER MENGE UND BESCHAFFENHEIT DES IM OELBADTOPF EINES LUFTFILTERS BEFINDLICHEN OELES
摘要
申请公布号
DE6812694(U)
申请公布日期
1969.04.30
申请号
DE19680012694U
申请日期
1968.12.20
申请人
KNETCH FILTERWERKE GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
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主分类号
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