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NS-ISO 1129-1991 Steel tubes for boilers superheaters and heat exchangers - Dimensions tolerances and conventional masses per unit length.pdf
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NS-INSTA 900-3-2014 Residential sprinkler systems - Part 3 Requirements and fire test methods for watermist nozzles.pdf
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57
NS-INSTA 900-2-2010 Residential sprinkler systems - Part 2 Requirements and test methods for sprinklers and their accompanying rosettes.pdf
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NS 5593-1976 Steel tubes - Buttwelding bends - Type 5d 45 90 and 180 degrees.pdf
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NS 5592-1976 Buttwelding bends - Type 3d 45 90 and 180 degrees.pdf
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NS 5587-1984 Steel tubes - Carbon steel tubes suitable for screwing in accordance with ISO 7 1 (ISO 65 1981 modified).pdf
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NS 5585-1972 Seamless and welded steel tubes for general use - Quality requirements - Technical delivery requirements.pdf
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NS 5580-1983 Pipe threads where pressure-tight joints are made on the threads - Designation dimensions and tolerances(ISO 7-1 1982).pdf
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NS 4065-1973 Forms for the health services - Health certificate.pdf
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NS 4063-1972 Forms for the health services - Rhesus profylaxis.pdf
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