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发明名称
A device for the regulation of the driving engine for variable pitch propellers
摘要
申请公布号
GB710914(A)
申请公布日期
1954.06.23
申请号
GB19520006586
申请日期
1952.03.13
申请人
NILS JOHANNES LIAAEN
发明人
分类号
B63H3/08;B64C11/30
主分类号
B63H3/08
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