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经营范围
发明名称
Improved ventilating means
摘要
申请公布号
GB619807(A)
申请公布日期
1949.03.15
申请号
GB19460037951
申请日期
1946.12.28
申请人
WILLIAM ROBERT LOGIE
发明人
分类号
F23J11/00;F23M5/08;F24F7/00
主分类号
F23J11/00
代理机构
代理人
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