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发明名称
Variable pitch propeller
摘要
申请公布号
US3116794(A)
申请公布日期
1964.01.07
申请号
US19630251380
申请日期
1963.01.14
申请人
WALTER D. WHITNEY
发明人
WALKER HARRY M.;BECK CARL E.
分类号
B63H3/04;H03M1/00;H04B14/02;H04L25/49
主分类号
B63H3/04
代理机构
代理人
主权项
地址
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