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经营范围
发明名称
Controllable pitch propeller
摘要
申请公布号
US3135336(A)
申请公布日期
1964.06.02
申请号
US19620207714
申请日期
1962.07.05
申请人
BLOUNT LUTHER H
发明人
BLOUNT LUTHER H.
分类号
B63H3/04
主分类号
B63H3/04
代理机构
代理人
主权项
地址
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