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发明名称
Letterbox plate
摘要
申请公布号
US3389854(A)
申请公布日期
1968.06.25
申请号
US19660603872
申请日期
1966.12.22
申请人
THE H. B. IVES COMPANY
发明人
COOPERSMITH LEO
分类号
A47G29/126
主分类号
A47G29/126
代理机构
代理人
主权项
地址
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