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经营范围
发明名称
Airplane guiding beacon
摘要
申请公布号
US2212230(A)
申请公布日期
1940.08.20
申请号
US19380210675
申请日期
1938.05.28
申请人
INTERNATIONAL TELEPHONE DEVELOPMENT CO. INC.
发明人
GOLDMANN JOACHIM
分类号
G01S1/02;G01S19/07;G01S19/15;G01S19/41
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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