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发明名称
VARIABLE PITCH PROPELLER SYSTEM
摘要
申请公布号
US3437150(A)
申请公布日期
1969.04.08
申请号
USD3437150
申请日期
1966.05.31
申请人
ARNE FEROY
发明人
ARNE FEROY
分类号
B63H3/08;(IPC1-7):B64C11/06;B64C11/38;F15B9/03
主分类号
B63H3/08
代理机构
代理人
主权项
地址
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