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发明名称
Improvements in or relating to security attachments for door-mats and the like
摘要
申请公布号
GB515721(A)
申请公布日期
1939.12.12
申请号
GB19380018934
申请日期
1938.06.27
申请人
FRANK OSCAR SEYD
发明人
分类号
A47G27/04
主分类号
A47G27/04
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