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经营范围
发明名称
Electrical marking device for airplane landing fields
摘要
申请公布号
US1947469(A)
申请公布日期
1934.02.20
申请号
US19290341059
申请日期
1929.02.19
申请人
ROSS GUNN
发明人
GUNN ROSS
分类号
G01S1/02;G01S19/10;G01S19/21;G01S19/46
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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