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发明名称
Multiple folding picture frame
摘要
申请公布号
US2086443(A)
申请公布日期
1937.07.06
申请号
US19360083869
申请日期
1936.06.06
申请人
EDWARD RUTYNA
发明人
RUTYNA EDWARD
分类号
A47G1/14
主分类号
A47G1/14
代理机构
代理人
主权项
地址
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