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经营范围
发明名称
MICRO-LAPPING MACHINE
摘要
申请公布号
CA401517(A)
申请公布日期
1941.12.16
申请号
CAD401517
申请日期
申请人
NORTON COMPANY
发明人
HERBERT S. INDGE
分类号
主分类号
代理机构
代理人
主权项
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