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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
GB537184(A)
申请公布日期
1941.06.12
申请号
GB19390031992
申请日期
1939.12.11
申请人
THE STAVELEY COAL & IRON COMPANY LIMITED;ERIC FREER
发明人
分类号
F16L21/025
主分类号
F16L21/025
代理机构
代理人
主权项
地址
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