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发明名称
Improvements in attaching railway chairs to sleepers
摘要
申请公布号
GB373659(A)
申请公布日期
1932.06.02
申请号
GB19310002465
申请日期
1931.10.26
申请人
THE RIVET, BOLT AND NUT COMPANY LIMITED;REGINALD PETERS
发明人
分类号
E01B9/10
主分类号
E01B9/10
代理机构
代理人
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地址
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