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经营范围
发明名称
Drive for contrarotating propellers
摘要
申请公布号
US2481290(A)
申请公布日期
1949.09.06
申请号
US19470783688
申请日期
1947.11.03
申请人
ARMSTRONG SIDDELEY MOTORS LIMITED
发明人
CLARK THOMAS;HARRIMAN DAVID
分类号
B64D35/04
主分类号
B64D35/04
代理机构
代理人
主权项
地址
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