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发明名称
PIPE FLANGE ANTI-CORROSION BELT SEAL
摘要
申请公布号
GB8730275(D0)
申请公布日期
1988.02.03
申请号
GB19870030275
申请日期
1987.12.30
申请人
LECK, E M
发明人
分类号
F16L58/18
主分类号
F16L58/18
代理机构
代理人
主权项
地址
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