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发明名称
VIBRATION-SUPPRESSING COMPOSITE RAIL FOR RAILWAYS
摘要
申请公布号
CA864949(A)
申请公布日期
1971.03.02
申请号
CAD864949
申请日期
申请人
NIPPON KOKUYU TETSUDO (KNOWN IN ENGLISH AS JAPANESE NATIONAL RAILWAYS)
发明人
YUTAKA SATO
分类号
主分类号
代理机构
代理人
主权项
地址
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