Leybold RUTA WAU 251 / D 65 B / G Pumping System

Leybold RUTA WAU 251 / D 65 B / G Pumping System Complete vacuum system with Trivac D65b and WAU 251 booster mounted.   Usually RUTA vacuum systems are combinations of  Roots vacuum pumps of the type  WA, WS and RA or WAU and WSU with...