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经营范围
发明名称
Ventilating apparatus
摘要
申请公布号
GB618077(A)
申请公布日期
1949.02.16
申请号
GB19460030865
申请日期
1946.10.16
申请人
JEAN LEON FOURTIER
发明人
分类号
F24F13/065
主分类号
F24F13/065
代理机构
代理人
主权项
地址
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