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经营范围
发明名称
Aeroplane sign
摘要
申请公布号
US2001200(A)
申请公布日期
1935.05.14
申请号
US19330699736
申请日期
1933.11.25
申请人
BERNARD KNAPP
发明人
KNAPP BERNARD
分类号
G09F21/10
主分类号
G09F21/10
代理机构
代理人
主权项
地址
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