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发明名称
VERFAHREN ZUR HERSTELLUNG EINES DOPPELBODENS
摘要
申请公布号
AT358792(B)
申请公布日期
1980.09.25
申请号
AT19770001337
申请日期
1977.02.28
申请人
HOELLFRITSCH ERICH DIPL. VOLKSW.
发明人
分类号
E04F15/024;(IPC1-7):E04F15/02
主分类号
E04F15/024
代理机构
代理人
主权项
地址
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