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发明名称
Ventilating system
摘要
申请公布号
US1804334(A)
申请公布日期
1931.05.05
申请号
US19280302583
申请日期
1928.08.28
申请人
GUERNSEY CHARLES O
发明人
GUERNSEY CHARLES O.
分类号
F01P1/00;F01P5/08;F01P11/10
主分类号
F01P1/00
代理机构
代理人
主权项
地址
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