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发明名称
EARTHQUAKEEPROOF REINFORCED GRAVEL STOP RAILROAD TRACK
摘要
申请公布号
JPS5620202(A)
申请公布日期
1981.02.25
申请号
JP19790093689
申请日期
1979.07.25
申请人
JAPAN NATIONAL RAILWAY;EISHIYOU TSUUSHIYOU KK
发明人
NOZAWA TAIZOU;MACHII KATSUMASA;MATSUSHITA YUUSHIN
分类号
E01B1/00
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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