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发明名称
Fan and fan blade structure
摘要
申请公布号
US2342421(A)
申请公布日期
1944.02.22
申请号
US19400353599
申请日期
1940.08.22
申请人
J. F. PRITCHARD AND COMPANY
发明人
MOORE ROBERT D.
分类号
F04D29/38
主分类号
F04D29/38
代理机构
代理人
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地址
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