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发明名称
Luftreiniger, insbesondere Ansauggeräuschdämpfer, mit Austauschfilterelement
摘要
申请公布号
AT188974(B)
申请公布日期
1957.03.25
申请号
ATD188974
申请日期
1954.02.28
申请人
ALFRED KNECHT
发明人
ALFRED KNECHT
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主分类号
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