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发明名称
Improvements in and relating to cutting-off grinding wheel and method of making it
摘要
申请公布号
GB446037(A)
申请公布日期
1936.04.23
申请号
GB19350006884
申请日期
1935.03.05
申请人
NORTON COMPANY
发明人
分类号
B24D5/12;B24D18/00
主分类号
B24D5/12
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代理人
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