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BG42496A1
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Method and device for friction press control
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BG42500A1
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Control device for package machine
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BG42511A1
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Method and device for control of step type electric motor
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BG42319A1
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Device for controlling operation of in parallel switched equal consumers
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BG38738A1
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Composition of paper for drawing
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BG40299A1
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Control circuit of power transistor
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BG36604A1
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Stabilized source of constant voltage and current with automatic stepwise preregulation
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BG36027A1
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High- voltage current supplying source of constant voltage and current
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BG38456A1
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Press control device
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BG33263A1
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Transistor transducer
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BG33416A1
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Method and apparatus for registration the contition of accumulator batteries
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BG31929A1
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Apparatus for charging of accumulators with assynmetrical current from constant current souroe
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BG31346A1
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Indicator for disharging state of accumulator batteries
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BG30900A1
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Apparatus for automatic n- step preregulation to stabilited source of constant tension and current
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BG30592A1
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Method and apparatus for trajectory determination of point from body making plane mouvement
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