79298494
Jul 21, 2020
Ultra-low temperature refrigerators; dilution refrigerators; helium refrigerators; apparatus and instruments for ultra-low temperature cooling of devices, detectors, circuits or samples; control systems therefor; sample and measurement probes; chambers and inserts; all the aforesaid being laboratory apparatus; parts and fittings for all the aforesaid goods
Electrical and Scientific ApparatusRefrigerators; dilution refrigerators; helium refrigerators; cryogenic apparatus and instruments; parts and fittings for all the aforesaid goods
Environmental Control Apparatus