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Poultry dung. Raw material for manufacture of organic fertilizers. Specifications
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Leather. Chemical tests. Liquid chromatographic method for the determination of preservatives (TCMTB, PCMC, OPP, OIT)
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Metal stair railings, balconies, roofs, stairs flights and landings. General technical conditions
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Crude oil. Methods for determination of organic chlorides
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Baddeleyite-corundum refractories. Methods for the determination of silicon dioxide content
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