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发明名称
Improvements relating to stair carpet fastening devices
摘要
申请公布号
GB494039(A)
申请公布日期
1938.10.19
申请号
GB19370018274
申请日期
1937.07.01
申请人
ARTHUR CLAY;JOHN CHARLES WICKER
发明人
分类号
A47G27/06
主分类号
A47G27/06
代理机构
代理人
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