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经营范围
发明名称
Variable pitch propellers
摘要
申请公布号
US3040817(A)
申请公布日期
1962.06.26
申请号
US19580725325
申请日期
1958.03.31
申请人
ROTOL LIMITED
发明人
ELMES ROBERT TERENCE;CHILMAN JOHN ALFRED
分类号
B64C11/06
主分类号
B64C11/06
代理机构
代理人
主权项
地址
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