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000 100 200 300 400 500 600 700 800 900 [ เทคโนโลยีหรือวิทยาศาสตร์ประยุกต์ (Technology (Applied Sciences) ] back |
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600 610 620 630 640 650 660 670 680 690 [ โรงงานอุตสาหกรรม (Manufacturing) ] |
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670 671 672 673 674 675 676 677 678 679 [ Metalworking & metal products ] |
| DC | คำอธิบาย | ||||||||
| Metalworking & metal products | |||||||||
| Foundry practice (Casting) | |||||||||
| Mechanical working and related processes | |||||||||
| Electroforming of metals | |||||||||
| Joining and cutting of metals | |||||||||
| Finishing and surface treatment of metals | |||||||||
| Primary products | |||||||||
| [แสดง 7/7 รายการ] | |||||||||