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经营范围
发明名称
An improved railway rail chair
摘要
申请公布号
GB506510(A)
申请公布日期
1939.05.30
申请号
GB19370032869
申请日期
1937.11.29
申请人
REUBEN ARTHUR BAUGHAN;ALFRED JAMES SMITH
发明人
分类号
E01B9/60
主分类号
E01B9/60
代理机构
代理人
主权项
地址
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