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Phthalic anhydride for industrial use. Method for the determination of ash

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Grease MS-70. Specifications

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State system for ensuring the uniformity of measurements. Oxidation potentials scale for aqueous solutions

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Standard test method for acidity-alkalinity of halogenated organic solvents and their admixtures

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Blasting caps for explosive works. Specifications

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Reagents. Sodium sulphite. Specifications

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