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发明名称
TRACK STRUCTURE ALTERING MACHINE OF RAILROAD
摘要
申请公布号
JPS621903(A)
申请公布日期
1987.01.07
申请号
JP19850139852
申请日期
1985.06.26
申请人
KAWAMOTO KOGYO KK
发明人
MIYA KENICHI
分类号
E01B33/10
主分类号
E01B33/10
代理机构
代理人
主权项
地址
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