CNS 9930-1983
Spring Bow Centre-Wheel for Drawing Instruments (English Version)

Standard No.

CNS 9930-1983

Language

Chinese, Available in English version

Release Date

1983

Published By

Taiwan Provincial Standard of the People's Republic of China

Latest

CNS 9930-1983

Scope

This standard applies to the adjustment knob of drawing instruments. Both sides of the knob shaft are used in conjunction with threaded bushings.

CNS 9930-1983 history

• 1983 CNS 9930-1983 Spring Bow Centre-Wheel for Drawing Instruments