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经营范围
发明名称
Propeller mounting means construction
摘要
申请公布号
US2353431(A)
申请公布日期
1944.07.11
申请号
US19420432713
申请日期
1942.02.27
申请人
ARDEN THOMAS R
发明人
ARDEN THOMAS R.
分类号
A63H27/30;F02B75/02;F02B75/34
主分类号
A63H27/30
代理机构
代理人
主权项
地址
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