Caliber for trapezoid thread. Tolerances
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Caliber for trapezoid thread. Tolerances
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Gauges for trapezoidal tread. Tolerances
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Stands and supports for measuring heads. Specifications
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Gages for buttress thread. Tolerances
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Gages for buttress thread. Tolerances
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Measuring machines for checking fine pitch spur gears. Types. Basic dimensions, standards of accuracy
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Calibers for metric threads with gaps. Tolerances
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Screw thread runout. Washout threads, total thread runouts, undercuts and chamfers
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Measuring spring-optic heads. Optic meters
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Measuring spring-optic heads. Optics. Types and main parameters. Technical requirements
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Calibration tools for the thread of locks of drill pipes with inset ends and couplings
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