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发明名称
Improvements in or relating to abrasive files for glass cutting
摘要
申请公布号
GB576452(A)
申请公布日期
1946.04.04
申请号
GB19440009079
申请日期
1944.05.12
申请人
NOEL HENRYD PICKERING
发明人
分类号
B24D15/02;B67B7/92
主分类号
B24D15/02
代理机构
代理人
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地址
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