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经营范围
发明名称
HYDRAULIC VARIABLE PITCH PROPELLERS
摘要
申请公布号
CA597438(A)
申请公布日期
1960.05.03
申请号
CAD597438
申请日期
申请人
ROTOL LIMITED
发明人
JOHN A. CHILMAN;IVOR H. BROOKING
分类号
主分类号
代理机构
代理人
主权项
地址
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