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CZ2002229A3
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Method and device for executing Internet business
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CS98488A1
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Method of sodium carbonate's higher hydrates drying
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CS695586A1
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Method of oligomer highly undersaturated cyclic hydrocarbons production
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CS695486A1
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Method of oligomer highly undersaturated cyslic hydrocarbons production
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CS45886A1
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Method of ammonium hydroxylamine disulphanate's aqueous solution production
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CS770985A1
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Method of catalyst's partics filling and charging hopper for realization of this method
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CS443485A1
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Apparatus for positioning of working board of vibrating device
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CS258084A1
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Electronic timer's automatic control connection
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CS55384A1
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Multi-purpose carrying device especially for frameless knapsack
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CS238677B1
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Determination method of treshold spped of fluidisation
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CS233181B1
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Method of cast-in-hole loading capacity increase
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CS224287B1
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Apparatus for external teeth rolling
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CS213764B1
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Circuitry for indicating speed rate of induction servomotors
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