Reagents Used in the Chemical Analysis of Liquids-Namely, Blood

Detergents for Cleaning Precision Manufacturing and Testing Machines, Optical Devices, Jewelry, Watches and Precious Metals

Calibrating Apparatus for Measuring, Adjusting and Testing Spiral Springs, Spiral Rolls, Balance Wheels, Clockworks and Watches; Automatic Analyzing Machines for Analyzing a Liquid-Namely, Blood; and Blood Centrifuges

Parts for Horological and Other Chronometric Instruments-Namely, Brass Collets for Watches