SIS 73 28 21-1949
switchboard table draw bill (function) gear

Standard No.

SIS 73 28 21-1949

Release Date

1949

Published By

SE-SIS

Latest

SIS 73 28 21-1949

SIS 73 28 21-1949 history

• 1949 SIS 73 28 21-1949 switchboard table draw bill (function) gear