CPC Subgroup
B01J 37/34 Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves
Full Title
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves
3 direct subcodes
Child Classifications
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