What does tkt stand for?

Ticket (ELAL)

Kathoriya Tharu - Language code (ETLW)

Tashkent - Former USSR - Geomagnetic observatory code

Threshold Knowledge Test - Training term (LPT)

Ticker Tape Resources Ltd. - Vancouver Stock Exchange symbol

Ticket

Transkaryotic Therapies, Inc.

Tyrosin-Ketoglutarat-Transaminase (SAUS)