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PL408490A1
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Friction-free, oil-free air engine with blade piston with rotary and reciprocal motion
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PL405935A1
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Oil-free steam engine with the rotary and return piston motion
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PL389010A1
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Wind turbine
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PL385733A1
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Frictionless and oil free compressor with fixed piston and rotating cylinder
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PL385734A1
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Frictionless and oil free compressor with rotating cylinder and piston
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PL385640A3
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Automated line for shredding old tyres, rubber and plastic products
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PL379560A1
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Fuel gas tank for motor vehicles
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PL379294A1
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Method and device that reduces very high temperature of heat energy produced with plasmatron for utility temperature in heating industry
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PL379214A1
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Frictionless sealing of internal combustion engine vane piston with wobbling motion
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PL377341A1
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Internal combustion engine with vaned piston in rotary-reciprocating motion
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PL376449A1
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Method for the disintegration of scrap tyres, rubber and plastic products and device for implementation of this method
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PL376448A1
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Vacuum dryer for drying farm produce and the fruits from the forest
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