GTBWGP 2023 18_Rev. 1 Proposal R48 for clarification to prevent battery powered lamps by GTB Administrator | Dec 18, 2025
GTBWGP 2024 03_Rev.1 Proposal R48.09 to clarify the duration of the optical indication of the answer back signal 3 seconds for flash signals by GTB Administrator | Dec 18, 2025
GTBWGP 2024 05_R65 Fixing special warning lamps with other means such as suction cups by GTB Administrator | Dec 18, 2025
