BS 5345-6-1978 Code of practice for selection,installation and maintenance of electrical apparatus fBS 5345-6-1978 Code of practice for selection,installation and maintenance of electrical apparatus for use in potentially explosive atmospheres. Recommendations for type of protection
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。