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发明名称
PADS FOR INTERPOSITION BETWEEN A RAILWAY AND A RAIL FOUNDATION THEREFOR
摘要
申请公布号
PT65293(B)
申请公布日期
1977.12.13
申请号
PT19760065293
申请日期
1976.06.30
申请人
ELASTIC RAIL SPIKE COMPANY LIMITED
发明人
分类号
E01B9/68
主分类号
E01B9/68
代理机构
代理人
主权项
地址
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