TS 2117-1979
BASIC ARRANGEMENT FOR THE ALPHAMüMERIC SECTION OF KEYBOARDS OPERATED WITH BOTH HANDS

Standard No.

TS 2117-1979

Release Date

1975

Published By

TR-TSE

Latest

TS 2117-1979

TS 2117-1979 history

• 1975 TS 2117-1979 BASIC ARRANGEMENT FOR THE ALPHAMüMERIC SECTION OF KEYBOARDS OPERATED WITH BOTH HANDS