testing apparatus for testing the physical characteristics of medication, namely, the physical characteristics of medication in capsule, tablet, powder, and granulate form; piston pumps, namely, pumps for use in laboratories; [ electrical contacts, namely, connectors and contact elements for use in switchgears, control centers, and sliding and rotating contacts; ] piston drug delivery pumps, namely, pumps for laboratory use for the precise feeding of medication into empty or partially-filled ...