Programmable automatic means for the depositing in a precise position on an analytical support of a precise, minute liquid quantity. It comprises a main support provided with displacement means, a piston syringe mounted on the main support, a distributor of a plurality of hollow sampling needles, a cutting...http://www.google.fr/patents/US4656007?utm_source=gb-gplus-shareBrevet US4656007 - Programmable automatic means for the deposition in a precise position of a minute, precise quantity of liquid on an analytical support
Programmable automatic means for the deposition in a precise position of a ...