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GB1027086A
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Improvements relating to indicating instruments
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FR1378509A
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Method and apparatus for plotting position, usable with radar
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FR1300056A
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Magnetic amplifier circuits
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GB1034802A
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Improvements relating to a waveguide switch
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GB1001862A
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Improvements in or relating to an automatic record changing device
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GB930678A
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Improvements relating to magnetic amplifier circuits
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US3047198A
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Mechanism for the control of strip materials
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GB888976A
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Improvements relating to magnetic recording and reproducing apparatus
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GB966516A
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Improvements in magnetic amplifiers
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GB902131A
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Improvements in mechanism for the control of strip materials
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FR1204165A
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Improvements to transistor circuits
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US3072908A
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Position plotting apparatus for use with radar or other positional information systems
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US2938965A
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Magnetic recording and reproducing unit
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GB840001A
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Improvements relating to equalization circuits for magnetic tape reproduction
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US2888259A
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Mechanism for the control of strip materials
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GB810690A
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Improvements relating to a magnetic recording and reproducing unit
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FR1181649A
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Improvement in magnetic devices for recording and reproducing sounds
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GB815648A
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Improvements in mechanism for the control of strip materials
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GB804496A
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Thermosetting plastisol composition
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GB695863A
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Improvements in or relating to protection apparatus for controlling the supply of fuel to furnaces fired by means of liquid or gaseous fuels
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