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PL301525A1
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Cold storage chamber doors
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PL294659A1
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Apparatus for assembling lamellar heat exchangers
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PL291661A1
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Container-type dee-freeze tunnel
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PL276748A1
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System of pole switching in an electrochemical degreasing tank
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PL276514A1
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Fixing element
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PL274385A1
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Refrigerating system and oil separator for using therefor
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PL274183A1
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Subcooler and liquid separator
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PL273867A1
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Screw compressor unit in particular for refrigeration systems
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PL271896A1
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Freon refrigeration air cooler
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PL270311A1
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Apparatus for and method of bending wires to make eyes at both ends of straight wire pieces
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PL270245A1
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Pipe straightening device
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PL269728A1
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Belt conveyor
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PL255367A1
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Refrigerating unit for dehumidification of compressed air
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PL255159A1
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Apparatus for cooling air in underground mines
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PL250919A1
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Apparatus for and method of soldering components of heat exchangers
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PL250084A1
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Tube bending machine in particular for making coils
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PL249102A2
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Method of spreading water over flooring of cold storage chamber in particular that for cold storing fruits and vegetables
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PL248349A1
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Welding manipulator
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PL248167A1
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Pressure difference regulator
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PL248168A1
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Cooling system
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