A light weight heavy duty, inexpensive and portable stackable assembly for storing and dispensing flowable materials such as capsules and other drug products includes a plastic hopper bin and a plastic base, the surfaces of both hopper and base being smooth, having minimal tendency for the adherence...http://www.google.fr/patents/US4398653?utm_source=gb-gplus-shareBrevet US4398653 - Portable storage and dispenser plastic hopper with plastic base
Portable storage and dispenser plastic hopper with plastic base
