GB/T 18405-2001
Micrographics--ISO character and test chart No.1--Description and use (English Version)

Standard No.

GB/T 18405-2001

Language

Chinese, Available in English version

Release Date

2001

Published By

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

Status

Be replaced 2009-01

Replace By

GB/T 18405-2008

Latest

GB/T 18405-2008

Scope

This standard specifies the technical requirements and methods of use of ISO characters and No. 1 test charts used in microphotography. The ISO characters and No. 1 test chart specified in this standard are suitable for checking the readability of microform production systems, reading and enlargement and copying equipment.

GB/T 18405-2001 history

• 2008 GB/T 18405-2008 Micrographics.ISO character and ISO test chart No.1.Description and use
• 2001 GB/T 18405-2001 Micrographics--ISO character and test chart No.1--Description and use