Air purification unit for the collection of black carbon sold as an integral component of pre-printing machines for use in the printing industry

OPHTHALMOLOGICAL APPARATUS AND INSTRUMENTS, NAMELY, [ OPHTHALMOSCOPES,] TONOMETERS [ , CASES ADAPTED FOR OPHTHALMOSCOPES AND TONOMETERS, AND COMPONENT PARTS FOR OPHTHALMOSCOPES AND TONOMETERS ]

valve positioners for piping and tubing used in the fluid flow field

TONOMETERS

OPATHALMOLOGICAL AND OPATICAL APPARATUS AND INSTRUMENTS, NAMELY, OPATHALMOSCOPES, LENSES, TONOMETERS AND CARRYING CASES ADAPTED FOR ALL THE FOREGOING

PNEUMATIC BLENDING AND MIXING MACHINERY AND PARTS THEREFOR FOR INDUSTRIAL USE

PORTABLE OXYGEN ADMINISTRATION APPARATUS FOR PATIENTS IN NEED OF SUPPLEMENTARY OXYGEN

ELECTRIC SWITCHES TO BE ACTUATED FROM A REMOTE LOCATION BY PNEUMATIC PRESSURE

Motor Driven Impellor for Imparting Flutter to Vacuum Filter Blowback Gas

PORTABLE OXYGEN ADMINISTRATION APPARATUS FOR PATIENTS IN NEED OF SUPPLEMENTARY OXYGEN