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发明名称
CURVED CONTOUR OF FLAT SURFACE LINE ELEMENT OF RAILROAD
摘要
申请公布号
JPS5715702(A)
申请公布日期
1982.01.27
申请号
JP19800088971
申请日期
1980.06.30
申请人
KIMURA KIYOJI
发明人
KIMURA KIYOJI
分类号
E01C1/00
主分类号
E01C1/00
代理机构
代理人
主权项
地址
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