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发明名称
GRINDING WHEEL GUARD AND SAFETY SHUTTER FOR ABRADING MACHINES
摘要
申请公布号
US3452489(A)
申请公布日期
1969.07.01
申请号
USD3452489
申请日期
1967.01.03
申请人
NORTON CO.
发明人
ERNEST L. KALLANDER
分类号
B24B55/06;(IPC1-7):B24B55/04
主分类号
B24B55/06
代理机构
代理人
主权项
地址
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