This part of Standard defines configuration and location of lift door unlocking key & key-way which are used to open lift doors for prompt rescue when passengers are locked up in lift due to power cut off or lift breakdown.
KS B 6836-1998 history
2014KS B 6836-2014 Elevator door unlocking key & key - way
0000 KS B 6836-1998(2013)
1998KS B 6836-1998 Elevator door unlocking key & key - way