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Freeze-drying apparatus
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Freeze drying method and apparatus
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Freeze drying apparatus
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Method and apparatus to dry powdery substances under a vacuum using electrical gas discharges
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Method and apparatus for vacuum freeze drying
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Control device for vacuum freeze drying systems
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Improvements in or relating to vacuum freeze drying processes
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Method and apparatus for manufacturing oil filled cables
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Drying process and apparatus therefor for removing solids from liquid mixtures
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Loading device
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Method and means for condensation of vapors
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A device for drawing off gaseous components from a gas-vapour mixture
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