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经营范围
发明名称
Airplane propeller
摘要
申请公布号
US2322763(A)
申请公布日期
1943.06.29
申请号
US19400313000
申请日期
1940.01.08
申请人
WILLIAM MARTINO
发明人
MARTINO WILLIAM
分类号
B64C11/04
主分类号
B64C11/04
代理机构
代理人
主权项
地址
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