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经营范围
发明名称
A Vibration-Suppressing Rail for Railways
摘要
申请公布号
GB1155075(A)
申请公布日期
1969.06.18
申请号
GB19670039549
申请日期
1967.08.29
申请人
NIPPON KOKUYU TETSUDO
发明人
分类号
E01B5/02;E01B5/08;E01B5/14;E01B5/18;E01B11/16;E01B19/00
主分类号
E01B5/02
代理机构
代理人
主权项
地址
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