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发明名称
Vorrichtung zum Aufwuehlen von abgesetztem Schlamm mittels Druckluft
摘要
申请公布号
DE544560(C)
申请公布日期
1932.02.18
申请号
DENDATB147830D
申请日期
申请人
OTTO BOLLER
发明人
分类号
F04B13/02;F04B15/02
主分类号
F04B13/02
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