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PL323220A1
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Water- and oil-resistant flexible composites
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PL322563A1
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Press for compacting and packaging waste materials
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PL319185A1
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Apparatus for manufacturing insulating boards
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PL305707A1
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Method and device for waste utilization
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PL292236A1
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Self-contained sewage treatment plant
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PL291593A1
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Packaged biological treatment plant
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PL290004A1
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Explosive substance concentration controller for controlling explosiveness of atmosphere in enclosed rooms
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PL276918A2
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Drum-type automatic machine for surface treatment of metal workpieces
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PL274876A1
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Apparatus for depositing electrolytic coatings in particular for tin and gold plating
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PL269450A1
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Painting manipulator
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PL255181A2
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Dc power supply for electrodeposition of paints
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