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发明名称
Device for preventing the corners or edges of mats and the like from curling
摘要
申请公布号
GB348026(A)
申请公布日期
1931.05.01
申请号
GB19300003475
申请日期
1930.02.01
申请人
FRANK PORTER
发明人
分类号
A47G27/04
主分类号
A47G27/04
代理机构
代理人
主权项
地址
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