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经营范围
发明名称
Improvements in or relating to pipe joints
摘要
申请公布号
GB884950(A)
申请公布日期
1961.12.20
申请号
GB19590034429
申请日期
1959.10.10
申请人
FRED LANCASTER
发明人
分类号
F16L19/04
主分类号
F16L19/04
代理机构
代理人
主权项
地址
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