| http://www.w3.org/ns/prov#value | - Claim 3, which we think typical, is as follows: In combination, a household refrigerator having a food compartment and a refrigerating unit including a motor, a carbonator mounted in said food compartment and having a discharge spigot therein, a pump to supply water to said carbonator under substantial pressure, and a water coil of substantial capacity in said food compartment, means for supplyin
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