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发明名称
Aircraft
摘要
申请公布号
US1977392(A)
申请公布日期
1934.10.16
申请号
US19330654493
申请日期
1933.01.31
申请人
DONALD MACKENZIE
发明人
MACKENZIE DONALD
分类号
B64B1/00
主分类号
B64B1/00
代理机构
代理人
主权项
地址
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