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发明名称
Lufterhitzer zum Einführen von Zusatzluft in Zimmeröfen, Herde, Kessel od. dgl.
摘要
申请公布号
AT138443(B)
申请公布日期
1934.07.25
申请号
ATD138443
申请日期
1931.12.14
申请人
OTTO HEMPELMANN
发明人
OTTO HEMPELMANN
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