标题: BS EN ISO 13920-1997 welding General tolerance for welded construntions [打印本页] 作者: lotus999 时间: 2014-11-25 13:52:26 标题: BS EN ISO 13920-1997 welding General tolerance for welded construntions
BS EN ISO 13920-1997 welding General tolerance for welded construntions
论坛有的版本为1996版本,此为1997版