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发明名称
Sign mounting frame
摘要
申请公布号
US2802292(A)
申请公布日期
1957.08.13
申请号
US19550498303
申请日期
1955.03.31
申请人
THEODORE BADER
发明人
BADER THEODORE
分类号
G09F21/04
主分类号
G09F21/04
代理机构
代理人
主权项
地址
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