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发明名称
Propeller
摘要
申请公布号
US1802808(A)
申请公布日期
1931.04.28
申请号
US19280305344
申请日期
1928.09.12
申请人
DE NARDE FLORIAN
发明人
NARDE FLORIAN DE
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
主权项
地址
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