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经营范围
发明名称
Radio control apparatus
摘要
申请公布号
US2229100(A)
申请公布日期
1941.01.21
申请号
US19380227039
申请日期
1938.08.27
申请人
WALTER E. SCHIRMER
发明人
LAPSLEY ROBERT
分类号
G04C23/00
主分类号
G04C23/00
代理机构
代理人
主权项
地址
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