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发明名称
CENTRIFUGALLY OPERATED BLADE FEATHERING DEVICE FOR PROPELLERS
摘要
申请公布号
CA487081(A)
申请公布日期
1952.10.07
申请号
CAD487081
申请日期
申请人
JACOBS WIND ELECTRIC COMPANY
发明人
JOSEPH H. JACOBS
分类号
主分类号
代理机构
代理人
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