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发明名称
FREE-ACCESS FLOOR
摘要
申请公布号
JPH05239904(A)
申请公布日期
1993.09.17
申请号
JP19920308090
申请日期
1992.10.21
申请人
HITACHI METALS LTD;HITACHI HOME TEC LTD
发明人
KOINUMA HIROKI;KIKUCHI TAKESHI
分类号
E04F15/024;E04F15/18;F24D13/02;(IPC1-7):E04F15/024
主分类号
E04F15/024
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