GJB 623B-2020
General requirements for ship acoustic and optical signals (English Version)

Standard No.

GJB 623B-2020

Language

Chinese, Available in English version

Release Date

2021

Published By

Military Standard of the People's Republic of China-General Armament Department

Latest

GJB 623B-2020

GJB 623B-2020 history

• 2021 GJB 623B-2020 General requirements for ship acoustic and optical signals
• 1998 GJB 623A-1998 Uniform regulations on ship acoustic and light signals
• 1988 GJB 623-1988 Uniform regulations on ship acoustic and light signals