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发明名称
Improvements in ventilating system
摘要
申请公布号
GB489423(A)
申请公布日期
1938.07.24
申请号
GB19360030798
申请日期
1936.11.11
申请人
C. F. BURGESS LABORATORIES INC.
发明人
分类号
F24F7/10
主分类号
F24F7/10
代理机构
代理人
主权项
地址
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