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发明名称
ELEKTRISCH BEHEIZTES ENTSTAUBUNGSSIEB.
摘要
申请公布号
DE1748601(U)
申请公布日期
1957.07.18
申请号
DE195700K5503U
申请日期
1957.04.08
申请人
JOSEF KUFFERATH
发明人
JOSEF KUFFERATH
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主分类号
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