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发明名称
Machine for making concrete pipe
摘要
申请公布号
US2701403(A)
申请公布日期
1955.02.08
申请号
US19520281783
申请日期
1952.04.11
申请人
UTAH-IDAHO CONCRETE PIPE COMPANY
发明人
CHANLUND CARL WILMER
分类号
B28B21/24
主分类号
B28B21/24
代理机构
代理人
主权项
地址
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