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经营范围
发明名称
DWARSSTROOMVENTILATOR.
摘要
申请公布号
NL144369(B)
申请公布日期
1974.12.16
申请号
NL19620273872
申请日期
1962.01.23
申请人
DR. GOTTFRIED DAETWYLER, ZUERICH, ZWITSERLAND.
发明人
分类号
F04D17/04;(IPC1-7):F04D23/00
主分类号
F04D17/04
代理机构
代理人
主权项
地址
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