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经营范围
发明名称
Protection of pipes
摘要
申请公布号
US2127694(A)
申请公布日期
1938.08.23
申请号
US19360071167
申请日期
1936.03.27
申请人
THE BARRETT COMPANY
发明人
MILLER STUART P.
分类号
F16L57/00
主分类号
F16L57/00
代理机构
代理人
主权项
地址
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