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发明名称
APPARATUS FOR LINING PASSAGES
摘要
申请公布号
GB8712954(D0)
申请公布日期
1987.07.08
申请号
GB19870012954
申请日期
1987.06.03
申请人
HUTTON, F A;BEECH, R C T
发明人
分类号
F16L55/16;F16L33/04;F16L33/06;F16L55/165;F16L55/18
主分类号
F16L55/16
代理机构
代理人
主权项
地址
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