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Section XVIII
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Chapter 90
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Heading 9019
Heading 9019
Mechano-therapy, massage appliances; psychological aptitude testing apparatus; ozone, oxygen, aerosol therapy, artificial respiration or other therapeutic respiration apparatus
901910
Mechano-therapy appliances; massage apparatus and psychological aptitude-testing apparatus
901920
Therapeutic respiration apparatus; ozone, oxygen, aerosol therapy apparatus; artificial respiration or other therapeutic respiration apparatus