CEILING OF COMBINED STRUCTURE
申请公布号:HU207558(B)
申请号:HU19900007050
申请日期:1990.11.07
申请公布日期:1993.04.28
发明人:DALACSY,JANOS,HU;SZANTO,JOZSEF,HU
分类号:E04B5/36;(IPC1-7):E04B5/36
主分类号:E04B5/36
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