BS 3212-1991 Specification for Flexible rubber tubing, rubber hose and rubber hose assemblies for usBS 3212-1991 Specification for Flexible rubber tubing, rubber hose and rubber hose assemblies for use in LPG vapour phase and LPGair installations
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。