SIS SEN 55 12 12-1966
Record system for internal telephone and signalling plants List of equipment r?cks

Standard No.

SIS SEN 55 12 12-1966

Release Date

1966

Published By

SE-SIS

Latest

SIS SEN 55 12 12-1966

SIS SEN 55 12 12-1966 history

• 1966 SIS SEN 55 12 12-1966 Record system for internal telephone and signalling plants List of equipment r?cks