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发明名称
Grinding machine-work loading and driving mechanism
摘要
申请公布号
US2121730(A)
申请公布日期
1938.06.21
申请号
US19370177019
申请日期
1937.11.29
申请人
NORTON COMPANY
发明人
COLE RAYMOND A.
分类号
B24B47/12
主分类号
B24B47/12
代理机构
代理人
主权项
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