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PCE
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DIFF Subgroup
H03D 7/1425

Full Title

Transference of modulation from one carrier to another, e.g. frequency-changing (H03D9/00, H03D11/00 take precedence; dielectric amplifiers, magnetic amplifiers, parametric amplifiers used as a frequency-changers H03F) > Balanced arrangements

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.