Портативный детектор утечки гелия/масс-спектрометр гелия простая деятельность
Helium Leak Detector ZQJ-530 Smallest Detectable Leak Rate(Pa•m3/s) 5*E-11 With nearly 50 years of vacuum leak detection technology experience, KYKY is the largest R&D and production base of HLD and has the independent intellectual property rights for vacuum leak detection system. The leak detectors ...
