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发明名称
Improvements in picture and like frames
摘要
申请公布号
GB580470(A)
申请公布日期
1946.09.09
申请号
GB19440020692
申请日期
1944.10.25
申请人
GEORGE BENJAMIN
发明人
分类号
A47G1/06
主分类号
A47G1/06
代理机构
代理人
主权项
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