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经营范围
发明名称
Welded rail grinding apparatus
摘要
申请公布号
GB1031763(A)
申请公布日期
1966.06.02
申请号
GB19630009007
申请日期
1963.03.06
申请人
ELEKTRO-THERMIT G.M.B.H.
发明人
分类号
E01B31/17
主分类号
E01B31/17
代理机构
代理人
主权项
地址
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