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发明名称
Method of making picture frames
摘要
申请公布号
US2536713(A)
申请公布日期
1951.01.02
申请号
US19470786480
申请日期
1947.11.17
申请人
WESLEY BERG JOHN
发明人
BERG JOHN WESLEY
分类号
B29C43/00;B31D1/00
主分类号
B29C43/00
代理机构
代理人
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地址
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