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PL274690A1
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Flux in the formo of a thixotropic paste
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PL274526A1
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Mtthod of making a cardiac valve ring
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PL274353A1
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Protection barrier for two-conductor sparkproof measuring transducer
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PL256919A1
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Method of making thin-walled sleeves in particulary as blanks for resilent metal bellows and aparatus therefor
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PL254549A1
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Network for compensating ripples in pulse converters
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PL254550A1
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Pulse converter supply network
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PL254308A1
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Method of reclaiming metallic cupper from acid or neutral waste waters or waste solutions containing copper in dissolved form and system therefor
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PL253503A1
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Circuit of temperature transducer with transistor sensor
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PL253101A1
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Apparatus for encoding positions of packs in a holder
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PL252762A1
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Data transmission apparatus of enhanced noise immunity
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PL252764A1
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Circuit arangement for changing over a microprocessor controller from its internal input signal source to a stand-by manual control signal source
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PL252763A1
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Circuit arrangement of a controller-governor exhibiting autodiagnostic features
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PL250172A1
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Device for folding and holding adges of rolled strip at location of welding thin-walled tubes
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PL248685A1
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Temperature limiter with electrically conductive sensing element
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PL248681A1
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Temperature limiter
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PL248283A1
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Device for making holes with simultaneous flanging a tube therein
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PL247529A1
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Method of converting dc signals of single-pole supply
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PL246823A1
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Method of temperature compensating solid-state measuring bridges containing strain gaugesa and circuit therefor
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PL245238A1
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Double-action stamping die for use on single-action presses
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PL244841A1
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Sylfon thermostat
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