GB/T 6658-1986

Measurement of electroacoustical characteristics of hearing aids with induction pick-up coil input

NORM herausgegeben am 31.7.1986

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The information about the standard:

Designation standards: GB/T 6658-1986
Note: UNGÜLTIG
Publication date standards: 31.7.1986
Country: Chinese technical standard
Kategorie: Technische Normen GB