Submerged Arc Welding NC II
Technical Educational and Skills Dev't Authority
Submerged Arc Welding NC II - Taguig City TESDA 2006 - 46 15 cm
TESDA; welding
671.5 T68 2004
Submerged Arc Welding NC II - Taguig City TESDA 2006 - 46 15 cm
TESDA; welding
671.5 T68 2004