Air filters for medical ventilators; Apparatus for artificial respiration; Apparatus for DNA and RNA testing for medical purposes; Artificial teeth; Blood pressure measuring apparatus; Body rehabilitation apparatus for medical purposes; Braces for teeth; Brushes for cleaning body cavities; Catheters and parts and fittings therefor; Chiropractic instruments; Cut-off and abrasive wheels for dental purposes; Dental apparatus, namely, apex locator; Dental handpieces; Dental instruments, namely, r...