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经营范围
发明名称
Resilient fastening means for railway sleepers or ties
摘要
申请公布号
GB841438(A)
申请公布日期
1960.07.13
申请号
GB19560016177
申请日期
1956.05.24
申请人
SHIGETARO TOYAMA
发明人
分类号
E01B9/30
主分类号
E01B9/30
代理机构
代理人
主权项
地址
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