DIFF Subgroup
G01R 13/40 using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
Introduced: September 1968
Full Title
Arrangements for displaying electric variables or waveforms > using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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