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经营范围
发明名称
Aircraft
摘要
申请公布号
US1980002(A)
申请公布日期
1934.11.06
申请号
US19310547829
申请日期
1931.06.30
申请人
SAVIDGE EVAN P
发明人
SAVIDGE EVAN P.
分类号
B64C33/00
主分类号
B64C33/00
代理机构
代理人
主权项
地址
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