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经营范围
发明名称
Improvements in or relating to razor blade stroppers
摘要
申请公布号
GB309916(A)
申请公布日期
1930.07.15
申请号
GB19290011627
申请日期
1929.04.15
申请人
THE BEARDSLEY & WOLCOTT MFG. CO.
发明人
分类号
B24D15/08
主分类号
B24D15/08
代理机构
代理人
主权项
地址
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