Laboratory apparatus and instruments for X-ray analysis, namely, X-ray diffractometer; measuring apparatus and instruments, namely, X-ray analysis apparatus; testing apparatus not for medical purposes, namely, electro-optical apparatus for analyzing chemical composition and structural properties of industrial and scientific materials; X-ray tubes not for medical use; industrial X-ray apparatus; industrial use X-ray analyzing apparatus, namely, X-ray diffractometer; X-ray apparatus not for med...