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发明名称
Grinding wheel
摘要
申请公布号
US1984936(A)
申请公布日期
1934.12.18
申请号
US19320645252
申请日期
1932.12.01
申请人
NORTON COMPANY
发明人
LARSSON THURE
分类号
B24D5/06;B24D5/16
主分类号
B24D5/06
代理机构
代理人
主权项
地址
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