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经营范围
发明名称
Liner pipes
摘要
申请公布号
US2926701(A)
申请公布日期
1960.03.01
申请号
US19560585644
申请日期
1956.05.18
申请人
CAMPBELL ERNEST G
发明人
CAMPBELL ERNEST G.
分类号
F16L55/10;F16L55/165
主分类号
F16L55/10
代理机构
代理人
主权项
地址
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