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经营范围
发明名称
Improvements in ventilators
摘要
申请公布号
GB548080(A)
申请公布日期
1942.09.24
申请号
GB19410004678
申请日期
1941.04.08
申请人
GREENWOOD'S AND AIRVAC VENTILATING COMPANY LIMITED;BENJAMIN DONALD HUGHES;ERNEST LEONARD EORD
发明人
分类号
E06B7/10;F24F13/075
主分类号
E06B7/10
代理机构
代理人
主权项
地址
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