PIECE GOODS OF RAYON, COTTON, WOOL, SILK, LINEN, AND COMBINATION THEREOF

ULTRASONIC CLEANERS UTILIZING AN ULTRASONICALLY VIBRATING LIQUID BATH FOR CLEANING ARTICLES SUCH AS EYEWEAR, LABORATORY GLASSWARE, METALLURGICAL SPECIMENS, JEWELRY, PRECISION MECHANICAL PARTS, ELECTRONIC COMPONENTS, DIES, AND SURGICAL INSTRUMENTS