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发明名称
FAN CONNECTING REINFORCING CAP TO HUB
摘要
A fan having blades secured on arms which project radially from a central hub and reinforcing caps fixedly connected to the blades and arms, said reinforcing caps extending to and fixedly connected to said hub.
申请公布号
US3711219(A)
申请公布日期
1973.01.16
申请号
USD3711219
申请日期
1971.09.20
申请人
FRAM CORP,US
发明人
STRICK K,CA
分类号
F04D29/32;F04D29/34;F04D29/36;F04D29/38;(IPC1-7):F04D29/38
主分类号
F04D29/32
代理机构
代理人
主权项
地址
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