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Electroacoustic. Simulators of human head and ear. Part 4. Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts
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Methodology and criterions of identification for best available techniques activity water use
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Equipment for bank protection. Doors and manholes. General specifications
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Support stationary devices for disabled persons. Types and technical requirements
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Surgical instruments. Non-cutting articulated instruments. General requirements and test methods
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