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These instructions prescribe the detailed requirements applicable to the international civil transport of dangerous goods by air.texto impreso
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The complete guide to modern packaging techniques and materials–updated and expanded This A–to–Z guide covers technologies used to package consumer and industrial products across all industries–from food to automobiles, soft drinks to pharmaceu[...]texto impreso
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The water vapor (WVP) and oxygen (O2P) permeabilities of beeswax (BW), candelilla wax (CnW), carnauba wax (CrW) and microcrystalline wax (MW), formed as freestanding films, were determined. CnW and CrW both had small values for O2P (0.29 and 0.2[...]