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Wheelchairs. Part 28. Requirements and test methods for user-operated stair-climbing devices
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Radioisotope therapeutical apparatuses for contact irradiation. General technical requirements
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Water quality. Guidance for determination of biodegradability in the marine environment
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Ergonomic requirements for the design of displays and control actuators. Part 3. Control actuators
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Civil defense. Degree of radiation attenuation by protective constructions of civil defense structures. General requirements for calculation
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