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发明名称
Vorrichtung zur Verringerung von Wärmeverlusten bei Backöfen
摘要
申请公布号
AT167208(B)
申请公布日期
1950.11.25
申请号
ATD167208
申请日期
1947.06.23
申请人
ELECTRICUS-VOLTA GESELLSCHAFT M. B. H.
发明人
分类号
主分类号
代理机构
代理人
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