Photographic materials. Method for determination of residue chemical contents
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Manually operated valves for marine piping. Nominal pressures and diameters
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Refractories. Method of determination for strength under bending at elevated temperatures
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Photographic gelatine. Method of moisture determination
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Photographic gelatine. Method of determination of viscosity and viscosity decrease
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Photographic gelatine. Method of determination of melting temperature
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