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1. Hygiene  (21)
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3. Medical Or Veterinary Science  (21)
4. Preparations For Medical, Dental, Or Toilet Purposes  (19)
5. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (17)
6. Organic Chemistry  (16)
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15. Pest Repellants Or Attractants  (2)
16. Plant Growth Regulators  (2)
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18. Preservation Of Bodies Of Humans Or Animals Or Plants Or Partsthereof  (2)
19. Animal Husbandry  (2)
20. Biocides, E.G. As Disinfectants, As Pesticides, As Herbicides  (2)
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