Hexagon high nuts (style 2) with metric fine pitch thread. Product grades A and B
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Hexagon thin nuts (chamfered) with metric fine pitch thread. Product grades A and B
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Hexagon thin nuts chamfered (style 0) with metric fine pitch thread. Product grades A and B
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Fasteners. Hexagon head screws, with fine pitch thread. Product grades A and B
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Plastics and ebonite. Determination of indentation hardness by means of a a durometer (Shore hardness)
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Water quality. Biological classification of rivers-Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates
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Water quality. Freshwater algal growth inhibition test with unicellular green algae
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Water quality. Fresh water algal growth inhibition test with unicellular green algae
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Ships and marine technology. Marine gyro-compasses
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