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发明名称
Picture frame
摘要
申请公布号
US1793436(A)
申请公布日期
1931.02.17
申请号
US19290364356
申请日期
1929.05.20
申请人
FRIEDMAN SILVER CO., INC.
发明人
BUDD HOWARD L.
分类号
A47G1/14
主分类号
A47G1/14
代理机构
代理人
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地址
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