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经营范围
发明名称
Flying machine
摘要
申请公布号
US1841788(A)
申请公布日期
1932.01.19
申请号
US19310525384
申请日期
1931.03.26
申请人
MICHAEL KOPER
发明人
CHODUR JOHN
分类号
B64C23/00
主分类号
B64C23/00
代理机构
代理人
主权项
地址
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