Russian standards PDF

Molybdenum concentrates. Method for determination of arsenic content

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Molybdenum concentrates. Methods for determination of copper content

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Angular-contact double-row ball bearings with the contact angle 60 degree. Specifications

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Objective lenses. Methods for measurement the diameter of the entrance pupil

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Camera lenses. Method for measurement illuminance distribution over image field

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System of technical maintenance and repair of equipment. Procedure of repaired equipment quality estimation

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