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经营范围
发明名称
Improvements in or connected with ventilating apparatus
摘要
申请公布号
GB847834(A)
申请公布日期
1960.09.14
申请号
GB19570006910
申请日期
1957.03.01
申请人
NORVENT LIMITED
发明人
HICKMOTT BRIAN WILLIAM RUSSELL
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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