AN ELECTRONIC LABORATORY RESEARCH TEST SYSTEM THAT MEASURES THE PHYSICAL LENGTH, TENSION AND INTERNAL CHEMICAL PROPERTIES OF ISOLATED HEART CELLS DURING MEDICAL RESEARCH EXPERIMENTS. IT CONSISTS OF A NUMBER OF MECHANICAL, ELECTRONIC AND SOFTWARE PARTS WHICH TOGETHER FORM AN INTEGRATED FUNCTIONING INSTRUMENT. PRESENTED UNASSEMBLED.

CLASSIFICATION IS DETERMINED BY THE PROVISIONS OF THE GENERAL RULES 1, 2(a) AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. NOTE 3 TO CHAPTER 90. THE HSEN TO HEADING 9027. THE TEXT TO CN CODES 9027, 9027 89 & 9027 89 90.