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经营范围
发明名称
Miniature airplane propeller and mounting therefor
摘要
申请公布号
US2543516(A)
申请公布日期
1951.02.27
申请号
US19480046702
申请日期
1948.08.28
申请人
WALKER NEVILLE E
发明人
WALKER NEVILLE E.
分类号
A63H27/00;A63H27/22;A63H29/18
主分类号
A63H27/00
代理机构
代理人
主权项
地址
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