Cylindrical helical compression (tension) springs made of round steel. Classification
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Air and electric portable tools. Terms and definitions
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Plain bearings. Terms and definitions
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Electromagnetic clutches with mechanical connection. Terms and definitions
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Iron and steel castings. Terms and definitions of defects
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Abrasive tool. Hardness measurement by ball indentation
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Hydrodynamic transmissions. Terms and definitions
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Lubricating systems. Terms and definitions
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Hydraulic fluid power. Lower designation of connecting ports of hydraulic equipment
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Roller chains. Terms and definitions
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Industrial pipeline fittings. Terms and definitions
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Synchronous belt drives. Terms and definitions
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