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发明名称
Pipe spacing device
摘要
申请公布号
US2782804(A)
申请公布日期
1957.02.26
申请号
US19530357719
申请日期
1953.05.27
申请人
THE TEXAS PIPE LINE COMPANY
发明人
BOND DONALD H.
分类号
F16L7/00
主分类号
F16L7/00
代理机构
代理人
主权项
地址
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