| http://www.w3.org/ns/prov#value | - Patent US4398653 - Portable storage and dispenser plastic hopper with plastic base - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA 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, t
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