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发明名称
REGELBLENDE FUER VENTILATOREN
摘要
申请公布号
DE2250559(B2)
申请公布日期
1977.03.24
申请号
DE19722250559
申请日期
1972.10.14
申请人
发明人
分类号
F04D29/56;(IPC1-7):F04D27/00
主分类号
F04D29/56
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代理人
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