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发明名称
CONTROLLABLE PITCH PROPELLER
摘要
申请公布号
CA890187(A)
申请公布日期
1972.01.11
申请号
CAD890187
申请日期
1970.02.12
申请人
JAMES M. PEDERSEN
发明人
JAMES M. PEDERSEN
分类号
B63H3/08
主分类号
B63H3/08
代理机构
代理人
主权项
地址
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