| http://www.w3.org/ns/prov#value | - No.: 352,080 Primary Examiner-William L. Freeh Assistant Examiner-Richard E. Gluck Attorney, Agent, or Firm-Karl F. Ross; Herbert Dubno [57] ABSTRACT A system for the storage of a flowable mass, such as a liquid or a pulverulent solid, includes two storage units each with a closed vessel provided with a pair of three-way valves which are controlled by respective actuating levers.
|
