| http://www.w3.org/ns/prov#value | - Means for dispensing material from a container having material therein comprising pumping means mounted on the container and sealing the container and including a cylinder and a pumping piston in, `and in sealing relation with the walls `of said cylinder; and means normally urging said piston to one end of said cylinder, the other end of said cylinder being connected to said container to receive s
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