OE NO.:OEM Code;Name:Tire valve TR415 TR438 TR425 TR423 TR429;Brand:JDI;Material:brass stem , brass core, EPDM;Stem:Brass/Zinc/Aluminum;Usage:passenger car /motorcycle/Light truck valves;Ozone resistance:50pphm/100pphm;Certificates:TUV,TS16949, ISO9001;R
Methods and systems control an irrigation system that includes an irrigation controller, a valve actuator, and at least one irrigation sensor connected by a communication circuit. A sensor charging pulse having a temporal duration less t... M O'Brien 被引量: 0发表: 2015年 加载更多0关于...
The output telephone signal current from a standard type of valve receiver is supplied to a tuned audio-frequency amplifier followed by a rectifier. The output current from this rectifier operates a relay and pen which traces a line ... RL Smith-Rose,HA Thomas - 《Journal of Scientific Instru...