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发明名称
Method of and machine for manufacturing concrete poles
摘要
申请公布号
US1954574(A)
申请公布日期
1934.04.10
申请号
US19300428565
申请日期
1930.02.15
申请人
NE PAGE MCKENNY CO.
发明人
PAGE JUSTUS F. NE
分类号
B28B23/18
主分类号
B28B23/18
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