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发明名称
IMPROVEMENTS IN OR RELATING TO PIPE COUPLINGS
摘要
申请公布号
PT65190(B)
申请公布日期
1977.11.22
申请号
PT19760065190
申请日期
1976.06.04
申请人
HEPWORTH PLASTICS LIMITED
发明人
分类号
F16L19/08;F16L21/08
主分类号
F16L19/08
代理机构
代理人
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地址
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