76303798
Aug 23, 2001
Aug 12, 2003
REFRIGERATION UNITS COMPRISING A CLOSED-CYCLE SYSTEM NAMELY A GIFFORD MCMAHON, PULSE TUBES, MIXED REFRIGERANT HEAT EXCHANGERS AND EXPANDERS, COMPRESSORS, CRYOSTATS, AND GAS TRANSFER LINES FOR CRYOGENIC USE; PORTABLE MECHANICAL REFRIGERATION CHILLERS CAPABLE OF SUPPLYING LIQUID COOLANT, AND REFRIGERATION GAS CHILLERS -- ALL THE AFORESAID GOODS FOR USE IN CRYOGENIC REFRIGERATION AT TEMPERATURES LESS THAN 160K
Environmental Control Apparatus