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PL278857A2
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Flexible bond for examination of coloured television sets
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PL274907A1
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Horizontal deflection pulse phase controlling circuit for double-standart crt displays
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PL274136A1
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Circuit arrangement for shaping a focusing correction signal for a double-standard crt display
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PL273870A1
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A pump for pumping the light sensitive emulsion
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PL273869A1
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Line recovery time duration changing circuitry
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PL273245A1
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Electromagnetic relay
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PL272919A1
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Input circuit of colour crt display unit
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PL272201A1
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The method of crystalline glaze removing from metal-fibre optics joints
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PL271767A1
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Digital d.c. voltmeter
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PL269496A1
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Method for manufacturing non-rectangularly shaped monolythic electronic device
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PL257924A1
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Ball guide for stamping tools
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PL257155A1
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Centrifuge for forming image tube tapers
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PL256840A1
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Hydraulic pump
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PL256752A1
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Grinding wheel for spherical surfaces
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PL256249A1
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Demagnetizing coil
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PL256134A1
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Method of sealingly embedding anode lead into conical portion of crt bulb
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PL250402A1
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Apparatus for statistically selecting objects to be monitored
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PL249781A1
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Measuring system for making measurements of electron tube cathode heating time
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PL249099A1
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Apparatus for continuously supplying liquids,in particular aggressive ones
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PL248643A1
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In-house telephony system
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