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"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7810427 | Circulation conveyor for food and drink A circulation conveyor for foods and drinks effectively controls internal temperature of a tunnel section covering an upper portion of a circulation-type conveyor path for foods and drinks. The conveyor has a tunnel section covering an upper portion of and in the lo... | 10/12/2010 |
| 7243758 | Food and drink managing device in circulation type carrying path A food and drink managing device with a circulation type path allows standardizing while adding food and drink onto the carrying path, simplifying management, holding down cost, and achieving precise identification information reading. The food and drink managing de... | 07/17/2007 |
