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发明名称
CLOSURE FOR PIPE/VESSEL
摘要
申请公布号
GB8801464(D0)
申请公布日期
1988.02.24
申请号
GB19880001464
申请日期
1988.01.22
申请人
ANDRE ENG CO LTD
发明人
分类号
F16J13/10;F16J15/02;F16L37/12
主分类号
F16J13/10
代理机构
代理人
主权项
地址
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