IS:9900-4 (1981): High pressure mercury vapour lamps, Part 4: Go and no-go gauges of lamp caps. (Superseding IS : 2183 and IS: 7023) [ETD 23: Electric Lamps and their Auxiliaries]
Contact: Cindy
Phone: +86-13751010017
E-mail: sales@iecgauges.com
Add: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China
Nina She