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| Number | Title | Issue Date |
| 7484370 | Refrigerant gas recycling apparatus for cryogenic cooling device A refrigerant gas recycling apparatus for cryogenic cooling device has a first gas storage unit for temporarily storing refrigerant gas discharged from the cryogenic cooling device, a compressor for compressing refrigerant gas stored in the first storage unit, and a... | 02/03/2009 |
| 7464641 | Stack fastening device A stack fastening device includes a base, on an upper surface of which a stack is loaded, a compression plate, which has a flat configuration and is placed over the stack to press the stack, and a plurality of vertical beams, which are installed on the base to exten... | 12/16/2008 |
| 7462961 | Superconductivity rotor having torque tube A superconductivity rotor has a field coil portion wound with a superconductivity wire, a support portion for supporting the field coil portion, torque tubes positioned at both ends of the support portion and transmitting a torque to an outside from the field coil p... | 12/09/2008 |
| 7340387 | Control rod driving simulator for verification of control rod driving mechanism control system of atomic power plant A control rod driving simulator has a control rod driving unit having a plurality of coil members vertically mounted therein, a control rod mounted vertically movably through the centers of the coil members, a cart having a reserve tank storing cooling water, a cool... | 03/04/2008 |
