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Dispositif en vue de fixer des injecteurs, des ajutages ou des tubulures d'admission, ainsi qu'en vue d'etancheifier des sacs filtrants dans les fonds tubulaires souples des filtres pour gaz charges de poussieres
Studies from the psychological laboratory of Mount Holyoke College: The effect of the brightness of background on the extent of the color fields and on the color tone in peripheral vision.