GB1034474A
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Regulated alternating current power supply
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GB972508A
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Commingling slowly flowing liquids
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GB997234A
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Control system responsive to a plurality of variables
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GB985701A
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Pressure and temperature corrected fluid flow meters
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GB963488A
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Apparatus for continuous analysis of solutions and gases
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GB968670A
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Control systems utilising magnetic amplifiers provided with means for effecting bumpless transfer from manual to automatic operation
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GB951066A
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Thermostatically actuated pneumatic signal transmitting converters
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GB950957A
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Electro-pneumatic converters
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GB945477A
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A pilot-valve controlled fluid pressure regulating valve
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