Online Standards Store PDF
Air filtering media to collect nanomaterials. Method to measure the efficiency against spherical nanomaterials. Part 2. Size range from 3 to 30 nm
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Printing types. Type family Rerberg (for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
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Furs and fur products. Harmful substances. Methods of detection and determination of free formaldehyde and washed out chrome (VI) and common chrome contents
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