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经营范围
发明名称
INSTALLATION OF RAILWAY ROAD GUARD NET
摘要
申请公布号
JPS579905(A)
申请公布日期
1982.01.19
申请号
JP19800083178
申请日期
1980.06.19
申请人
TOKYO KENKI KOGYO KK
发明人
TAKAOKA HIROSHI
分类号
E01D21/00
主分类号
E01D21/00
代理机构
代理人
主权项
地址
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