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发明名称
Luftforvarmer til Indforelse af Luft i Kakkelovne, Komfurer, Kedler eller andre Opvarmningsanlæg.
摘要
申请公布号
DK47123(C)
申请公布日期
1933.03.20
申请号
DKD47123
申请日期
1931.12.22
申请人
OTTO HEMPELMANN
发明人
OTTO HEMPELMANN
分类号
主分类号
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