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经营范围
发明名称
Tamping devices
摘要
申请公布号
US2893099(A)
申请公布日期
1959.07.07
申请号
US19530363240
申请日期
1953.06.22
申请人
AMERICAN-MARIETTA COMPANY
发明人
TRAUTMAN HERMAN P.
分类号
B28B21/12
主分类号
B28B21/12
代理机构
代理人
主权项
地址
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