HB 4497-1990
Regulations on classifications of vernier caliper qualities (English Version)

Standard No.

HB 4497-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Aviation

Latest

HB 4497-1990

Scope

This standard specifies the quality levels and grading regulations for vernier calipers. This standard is applicable to the assessment of the quality grade of mass-produced vernier calipers. This standard is used in conjunction with HB 4496 "General Provisions for Quality Grading of Measuring Tool Products".

HB 4497-1990 history

• 1990 HB 4497-1990 Regulations on classifications of vernier caliper qualities