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经营范围
发明名称
Metallic propeller
摘要
申请公布号
US1921942(A)
申请公布日期
1933.08.08
申请号
US19290347405
申请日期
1929.03.15
申请人
PIERRE RATIER PAULIN JEAN
发明人
RATIER PAULIN JEAN PIERRE
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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