Chemicals used in industry and science; chemical products for diagnostic use [scientific]; chemicals and chemical products for use in industrial and scientific research; diagnostic assay preparations for scientific, industrial and research purposes; reagents for use as research tools and standards; reagents for use with chemicals; human serum for scientific or laboratory purposes; chemical reagents for scientific or laboratory purposes used in liquid based external assay run control for infec...

Electrical controllers and stations for controlling electrical devices

optical level switches