A

INSPECTION AND CONTROL APPARATUS, NAMELY, PULSED X-RAY APPARATUS FOR CONTROL QUALITY OF WELD JOINTS, X-RAY SPECTROMETERS FOR MEASURING CONCENTRATION OF CHEMICAL ELEMENTS; FLUORESCENT X-RAY APPARATUS FOR ANALYZING INDUSTRIAL EFFLUENT WATER; X-RAY DIFFRACTOMETERS FOR ANALYZING STRUCTURE OF CRYSTALLINE MATERIALS; APPARATUS FOR ANALYZING PHYSICOCHEMICAL ELEMENTS OF SOIL; X-RAY LUMINESCENT SEPARATORS; X-RAY RADIATION METERS; APPARATUS FOR MEASURING MICROSTRESSES IN STEEL STRUCTURES; SCALES; MICROSCOPES; SPECTACLES; PYROMETERS; COMPUTER PROGRAMS USED IN INDUSTRY FOR CONTROL PURPOSES AND IN LABORATORIES FOR SCIENTIFIC RESEARCH