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PL352136A1
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Set of formwork components and a structural joint node therefor
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PL189956B1
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Bedding for cultivation of decorative acidophilic plants
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PL322750A1
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Bedding for cultivation of decorative plants
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PL257587A2
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Electric circuit arrangement of an automatic apparatus for regeneration of image tubes
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PL257378A2
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Electric circuit arrangement of an apparatus for reactivation of image tubes
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PL243169A2
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Electronic ignition device for spark ignited internal combustion engines with capacitive energy storage and a single-stroke converter
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PL242998A2
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Television pattern generator for testing and adjustment of tv receivers
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PL240464A1
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Method of and system for reduction of noise level of generator operating in phase-locked loop
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