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发明名称
Improvements in devices for securing railway rails to sleepers
摘要
申请公布号
GB485486(A)
申请公布日期
1938.05.20
申请号
GB19360035171
申请日期
1936.12.22
申请人
FRITZ MINOR;WILHELM ZWEIBAEUMER
发明人
分类号
E01B9/46
主分类号
E01B9/46
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代理人
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