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ISO 6639-2:1986 Cereals and pulses -- Determination of hidden insect infestation -- Part 2: Sampling
standard by International Organization for Standardization, 12/01/1986
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Shows general principles, apparatus, sampling times and places, pre-sampling inspection and identification of lots, sampling of bilk grain, sampling of grain in bags, preparation of laboratory sample, and packing, labelling and dispatch of laboratory samples.