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发明名称
Ventilating fan
摘要
申请公布号
US2276993(A)
申请公布日期
1942.03.17
申请号
US19390307007
申请日期
1939.12.01
申请人
ANTONIO MARTI
发明人
MARTI ANTONIO
分类号
B60H1/00;B61D27/00;F04D25/02
主分类号
B60H1/00
代理机构
代理人
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