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经营范围
发明名称
Propeller
摘要
申请公布号
US1802648(A)
申请公布日期
1931.04.28
申请号
US19250078659
申请日期
1925.12.31
申请人
THE AMERICAN PROPELLER COMPANY
发明人
HEATH SPENCER
分类号
B64C11/28;F01D5/30
主分类号
B64C11/28
代理机构
代理人
主权项
地址
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