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发明名称
Sign apparatus
摘要
申请公布号
US2033478(A)
申请公布日期
1936.03.10
申请号
US19350019675
申请日期
1935.05.03
申请人
J. HANDFORD BROWN
发明人
MARTINEZ JOSE
分类号
G09F11/26
主分类号
G09F11/26
代理机构
代理人
主权项
地址
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