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发明名称
Remote controlled damper at top of chimney - has motor and limit switches operating butterfly valve in rectangular flue
摘要
申请公布号
DE3031675(A1)
申请公布日期
1982.04.22
申请号
DE19803031675
申请日期
1980.08.22
申请人
SCHOPEN,WILLI
发明人
SCHOPEN,WILLI
分类号
F23L11/00;F23N3/08;(IPC1-7):23N3/00;23L17/02
主分类号
F23L11/00
代理机构
代理人
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