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Crowdfunding method based on block chain for creating game and crowdfunding system for implementing crowdfunding service environment |
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Blockchain system including a distributed network of a plurality of nodes and a method for achieving an agreement between the plurality of nodes executed by processors of the block chain system |
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Engine with rack gear-type piston rod |
— |
1997-10-07 |
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Video RAM having block selection function during serial write transfer operation |
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