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经营范围
发明名称
Improvements in or relating to metal pipes and like bodies provided with a wear-resisting lining
摘要
申请公布号
GB370703(A)
申请公布日期
1932.04.14
申请号
GB19310014546
申请日期
1931.05.16
申请人
ELEKTROSCHMELZE G.M.B.H.
发明人
分类号
F16L57/06
主分类号
F16L57/06
代理机构
代理人
主权项
地址
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