GB 8990-1988
Micrographics—Reflectance test target used in the test target for inspecting the quality of micrography of technical drawing (English Version)

Standard No.

GB 8990-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB 8990-1988

GB 8990-1988 history

• 1988 GB 8990-1988 Micrographics—Reflectance test target used in the test target for inspecting the quality of micrography of technical drawing