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经营范围
发明名称
Hub for small propellers
摘要
申请公布号
US1870401(A)
申请公布日期
1932.08.09
申请号
US19310567812
申请日期
1931.10.09
申请人
HAMILTON STANDARD PROPELLER COMPANY
发明人
CALDWELL FRANK W.
分类号
B64C11/06
主分类号
B64C11/06
代理机构
代理人
主权项
地址
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