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PL415755A1
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System of the compressor left-handed circuit with the expansion turbine
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PL415756A1
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System of left-handed compressor circuit with the expansion turbine
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PL412588A1
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Schoolboy's table with adjustable height
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PL410325A1
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System of three-phase transformer hybrid phase shifter
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PL403005A1
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Brass foundry
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PL399821A1
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Method for measuring the parameters of two-terminal circuit powered by a sinusoidal alternating voltage and the parameters of its work
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PL399688A1
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Hybrid system of polyphase surges and dips compensator of AC voltage
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PL398467A1
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The compact Stirling engine
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PL397880A1
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Bedding material to the substrate in livestock buildings for poultry
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PL397337A1
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Method for transform the energy of two voltage sources into AC energy
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PL396815A1
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Common disorders' filter generated in systems with two-way power electronic converters
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PL395583A1
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Method of measurement of phase shift angle in the multiphase sinusoidal waveform generation systems
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PL395584A1
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Rotary link-trainer
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PL394630A1
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Scrambler system with the single-use key
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PL394306A1
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Current compensation system of common mode noises
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PL391353A1
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RSA cryptographic system encoder
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PL216406B1
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Heat battery operation system
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PL388721A1
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Programmable logic controller
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PL375803A1
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System for giving extra food to the bees
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