AS B139:1955/Amdt 1:1968
Bevel protractors (mechanical and optical)

Standard No.

AS B139:1955/Amdt 1:1968

Published By

Standard Association of Australia （SAA）

Latest

AS B139:1955/Amdt 1:1968

AS B139:1955/Amdt 1:1968 history

• 1970 AS B139:1955/Amdt 1:1968 Bevel protractors (mechanical and optical)
• 1970 AS B139:1955 Bevel protractors (mechanical and optical)