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经营范围
发明名称
Microlapping machine
摘要
申请公布号
US2230953(A)
申请公布日期
1941.02.04
申请号
US19390287339
申请日期
1939.07.29
申请人
NORTON COMPANY
发明人
INDGE HERBERT S.
分类号
B24B5/04;B24B35/00;B24B41/00
主分类号
B24B5/04
代理机构
代理人
主权项
地址
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