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发明名称
Improvements in or relating to knife sharpeners
摘要
申请公布号
GB652581(A)
申请公布日期
1951.04.25
申请号
GB19480028666
申请日期
1948.11.04
申请人
LASSMAN & CO. LIMITED;SAMUEL LASSMAN;DAVID FREEDENBERG
发明人
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
主权项
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