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发明名称
Means for supporting a fan in a housing opening
摘要
申请公布号
US2557223(A)
申请公布日期
1951.06.19
申请号
US19480033599
申请日期
1948.06.17
申请人
HANS EDMUND E
发明人
HANS EDMUND E.
分类号
F04D29/64
主分类号
F04D29/64
代理机构
代理人
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地址
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