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发明名称
Ventilator
摘要
申请公布号
US2573757(A)
申请公布日期
1951.11.06
申请号
US19480003350
申请日期
1948.01.20
申请人
AYLESWORTH CARMAN F
发明人
AYLESWORTH CARMAN F.
分类号
F04D25/12;F24F7/013
主分类号
F04D25/12
代理机构
代理人
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地址
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