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发明名称
Improvements relating to the jointing of pipes
摘要
申请公布号
GB705688(A)
申请公布日期
1954.03.17
申请号
GB19510011017
申请日期
1951.05.10
申请人
JOHN WARREN ERIC NORMAN;NORCON LIMITED
发明人
分类号
F16L13/11
主分类号
F16L13/11
代理机构
代理人
主权项
地址
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