BS 437-2008 Specification for cast iron drain pipes, fittings and their joints for socketed and sockBS 437-2008 Specification for cast iron drain pipes, fittings and their joints for socketed and socketless systems
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。