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Sealing filler for water pump
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Process for mfg. large size refractory brick
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A method of making dish-shape component by use of twin metal strip
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A kind of method that chicken manure is treated to odorless fertilizer or fodder additives
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High transmittivity electricity conducting glass
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Electronic insect sounder
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Technology for preparing non-crystal sensitive alloy used for force sensor
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Artificial raising method for birthwort Papilio xuthus
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Microcomputer controlled nucleon operated belt conveyor scale
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Electronic birds singing buzzer
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Fresh keeping agent for cut flower
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Coating for tubular zirconium-oxide electrode
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Treatment method of acid residuum
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