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经营范围
发明名称
Improvements in and relating to railway rail joints
摘要
申请公布号
GB470371(A)
申请公布日期
1937.08.13
申请号
GB19370001862
申请日期
1937.01.21
申请人
JAN ADOLF HUBERT MESTERS
发明人
分类号
E01B11/12
主分类号
E01B11/12
代理机构
代理人
主权项
地址
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