operating with electromagnetism

Introduced: September 1968

Last revised: January 2006

Full Title

Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency > making use of electrical energy > operating with electromagnetism

Classification Context

Section:: PERFORMING OPERATIONS; TRANSPORTING
Class:: GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Subclass:: GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL