TS 2493-1976
ACOUSTICS — STANDARD TUNING FRECJUENCY (STANDARD MUSICAL PITCH)

Standard No.

TS 2493-1976

Release Date

1976

Published By

TR-TSE

Latest

TS 2493-1976

TS 2493-1976 history

• 1976 TS 2493-1976 ACOUSTICS — STANDARD TUNING FRECJUENCY (STANDARD MUSICAL PITCH)