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发明名称
Ventilator
摘要
申请公布号
US1789135(A)
申请公布日期
1931.01.13
申请号
US19290352629
申请日期
1929.04.05
申请人
PETER CHINIEWICZ
发明人
CHINIEWICZ PETER
分类号
F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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