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发明名称
Improvements in abrasive hand-tools
摘要
申请公布号
GB677068(A)
申请公布日期
1952.08.06
申请号
GB19490005300
申请日期
1949.02.26
申请人
NOEL WHITTAKER SEAL
发明人
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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