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发明名称
Ski pedestal for aeroplanes
摘要
申请公布号
US1752416(A)
申请公布日期
1930.04.01
申请号
US19290367058
申请日期
1929.05.29
申请人
NORTHERN AERIAL MINERALS EXPLORATION LTD.
发明人
CHEESMAN SILAS A.
分类号
B64C25/52
主分类号
B64C25/52
代理机构
代理人
主权项
地址
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