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经营范围
发明名称
Free access floor.
摘要
申请公布号
EP0411568(B1)
申请公布日期
1994.02.23
申请号
EP19900114688
申请日期
1990.07.31
申请人
HITACHI METALS, LTD.;HITACHI METALS TECHNO, LTD.
发明人
KOBAYASHI, ATSUHIKO;YAMAGUCHI, TSUTOMU
分类号
E04F15/024;(IPC1-7):E04F15/024;H02G3/28
主分类号
E04F15/024
代理机构
代理人
主权项
地址
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