Electrical apparatus for the detection of combustible gases in domestic premises. Guide on the selection, installation, use and maintenance
家用可燃气体检测用电气设备 选择、安装、使用和维护指南
Cross References:EN 1775EN 50194EN 60079-29-2IEC 60079-29-2EN 50292All current amendments available at time of purchase are included with the purchase of this document.