In which town is found the headquarters of the corporation founded by David Boris Pall?
David Pall David Boris Pall (2 April 1914 – 21 September 2004), founder of Pall Corporation, was the chemist who invented the Pall filter used in blood transfusions.
Unitel (Mongolia) Unitel (Universal or United telecommunications) is a Mongolian Corporate Group of ICT companies, headquartered at Central Tower in downtown Ulan Bator, Mongolia. It was founded on December 23, 2005 as BSB consortium as GSM mobile phone operator and began operations on June 26, 2006.