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经营范围
发明名称
Marking machine having adjustable parallel compressible feed rolls and a conduit extending upwardly from said rolls
摘要
申请公布号
US2505499(A)
申请公布日期
1950.04.25
申请号
US19430504999
申请日期
1943.10.05
申请人
J. D. ADAMS MANUFACTURING COMPANY
发明人
LEWIS HAROLD L.
分类号
E01C23/16
主分类号
E01C23/16
代理机构
代理人
主权项
地址
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