Classification
668 - Technology of other organic products
24
547 - Organic chemistry
17
620 - Engineering & allied operations
17
621 - Applied physics
12
667 - Cleaning, color & coating technologies
7
628 - Sanitary & municipal engineering
5
660 - Chemical engineering
5
610 - Medicine & health
4
615 - Pharmacology & therapeutics
4
543 - Analytical chemistry
2
338 - Production
1
530 - Physics
1
546 - Inorganic chemistry
1
623 - Military & nautical engineering
1
678 - Elastomers & elastomer products
1
681 - Precision instruments & other devices
1