RU1769225C
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Device for studying natural oscillations of pendulum
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Pivot hinge
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Tool-holder
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Arrangement for securing a point tool in the spindle of machine
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Tap wrench for round dies
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Cutting tool
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Chuck for securing shank-type cutting tool
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Device for electric discharge machining
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Composite tool electrode
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Apparatus for electro-erosion working
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Chuck for bent nut taps
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Made-up cutting tool
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