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发明名称
Vorrichtung zur Regelung von Heizungen
摘要
申请公布号
DE537864(C)
申请公布日期
1931.11.07
申请号
DENDATW084232D
申请日期
申请人
CARL WILLHOEFT
发明人
分类号
G05D23/275
主分类号
G05D23/275
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代理人
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