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发明名称
Lead screw adjusting means
摘要
申请公布号
US2231000(A)
申请公布日期
1941.02.11
申请号
US19380192017
申请日期
1938.02.23
申请人
THE NATIONAL ACME COMPANY
发明人
DRISSNER ALFRED E.
分类号
B23Q5/40;B23Q23/00
主分类号
B23Q5/40
代理机构
代理人
主权项
地址
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