BS 7272-2-2008 Writing and marking instruments. Specification for end closures to reduce the risk ofBS 7272-2-2008 Writing and marking instruments. Specification for end closures to reduce the risk of asphyxiation
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。