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发明名称
Ventilator
摘要
申请公布号
US2068916(A)
申请公布日期
1937.01.26
申请号
US19340751199
申请日期
1934.11.02
申请人
H. H. ROBERTSON COMPANY
发明人
HEPPENSTALL THOMAS A.
分类号
F24F7/02
主分类号
F24F7/02
代理机构
代理人
主权项
地址
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