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经营范围
发明名称
Indblæsningsventil for ventilationsluft.
摘要
申请公布号
DK74988(C)
申请公布日期
1952.11.17
申请号
DK19490003621
申请日期
1949.10.29
申请人
NORDISK VENTILATOR CO., AKTIESELSKAB
发明人
SVEND HELGE KRISTIANSEN
分类号
主分类号
代理机构
代理人
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