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经营范围
发明名称
Pipe mold
摘要
申请公布号
US2623260(A)
申请公布日期
1952.12.30
申请号
US19510217727
申请日期
1951.03.27
申请人
AMERICAN PIPE AND CONSTRUCTION CO.
发明人
JOBE HERMAN T.
分类号
B28B21/80
主分类号
B28B21/80
代理机构
代理人
主权项
地址
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