TIS 166-2549 Figure A.9 Gauge for testing maximum withdrawal force for flat-round pin socketoutlet.
TIS 166-2549 Thai Industrial Standard
for
PLUGS AND SOCKET-OUTLETS FOR HOUSEHOLD AND SIMILAR
PURPOSES : PLUGS AND SOCKET-OUTLETS WITH RATED VOLTAGE NOT EXCEEDING 250 V
TIS 166-2549 Figure A.9 Gauge for testing maximum withdrawal force for flat-round pin socketoutlet.