AS 1141.30.2-2009 Methods for sampling and testing aggregates - Method 30.2 Preparation of aggregateAS 1141.30.2-2009 Methods for sampling and testing aggregates - Method 30.2 Preparation of aggregate reference specimens for visual comparison
部份国外标准涉及版权问题,所以全部国外标准于2013年02月,全部删除!相关页面仅提供参考消息。