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发明名称
Air-circulation valve in the supporting surfaces of aeroplanes
摘要
申请公布号
US2039179(A)
申请公布日期
1936.04.28
申请号
US19340733133
申请日期
1934.06.29
申请人
FRANCO MAZXINI
发明人
MAZXINI FRANCO
分类号
B64C21/02
主分类号
B64C21/02
代理机构
代理人
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地址
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