Laboratory apparatuses and tools for measuring, testing, regulating and searching for the quality of materials, namely, liquids for laboratory use by means of ultrasonic energy; ultrasonic cleaning instruments, namely, water bath type and probes type machines for laboratory use; ultrasonic apparatuses namely, water bath type and probes type machines used in scientific and industrial methods, namely, to obtain the mixtures, the emulsions and the biological decomposition of cells; ultrasonic we...