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Air filtering media to collect nanomaterials. Method to measure the efficiency against spherical nanomaterials. Part 1. Size range from 20 nm to 500 nm
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Printing types. Type family 'Ladoga' (for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
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Protective glasses for apparatus of general industrial application. Specifications
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Wool. Methods for determination of vegetable matters
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Hydraulic drive volumetric pumps. Accelerated comparative life tests
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Metals. Method for tension tests at the temperature - 100 up to - 269 C
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