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发明名称
VORRICHTUNG ZUM REGULIEREN DES LUFTZUTRITTES AN OEFEN U. DGL. HEIZGERAETEN.
摘要
申请公布号
DE1622759(U)
申请公布日期
1951.05.02
申请号
DE195100P1743U
申请日期
1951.03.01
申请人
POTTHOFF & FLUME A.G.
发明人
分类号
主分类号
代理机构
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