POLAR SC-7

PUMPING UNITS FOR WATER VAPORS

CRYO-COOLERS AND STIRLING COOLERS FOR REFRIGERATION; CRYO-COOLERS AND STIRLING COOLERS FOR COOLING TELECOMMUNICATIONS COMPONENTS, HIGH TEMPERATURE SUPERCONDUCTING DEVICES AND DETECTORS FOR X-RAYS, GAMMA RAYS, CCD RAYS AND INFRARED RAYS; CLEANING INSTALLATIONS FOR LASER GAS CONSISTING OF STIRLING COOLERS AND CRYO-COOLERS