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发明名称
Picture frame
摘要
申请公布号
US3138887(A)
申请公布日期
1964.06.30
申请号
US19620196947
申请日期
1962.05.23
申请人
COLUMBIA METAL FRAME CO.
发明人
SPISELMAN LOUIS
分类号
A47G1/06
主分类号
A47G1/06
代理机构
代理人
主权项
地址
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