BS 871-1981 Specification for abrasive papers and cloths. This Standard is part of the British StandBS 871-1981 Specification for abrasive papers and cloths. This Standard is part of the British Standards Online Service brought to you via IHS
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。