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CZ278191A3
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cylindrical sectional tumbler with a control knob
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CS711786A1
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Apparatus for reduction negative effects of incidence forces of overfalling material on belt conveyor in its incidece place
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CS389186A1
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Developing unit for copying apparatus
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CS784685A1
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Magnetic analyzer of particles in liquids
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CS50285A1
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Reflective screen for eniarging readers
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CS233813B1
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Direct reading capillary magnetic analyser of particles in liquids
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CS200644B1
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Apparatus for braking tape or thread packages
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CS189457B1
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Method of photometric detection of the oil impurities
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CS178996B1
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Pressure force intensity indicator
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CS179854B1
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Thrust force magnitude indicator
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CS183225B1
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Disc power semiconducting elements fastening and thrusting device
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CS180334B1
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Power semiconducting disc elements suppressing and jigging equipment
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