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Plastics. Preparation of test specimens from thermoplastics. Small size tensile test specimens
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Fertilizers. Extraction of soluble phosphorus according to Petermann at 65 °C
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Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Method for determination long-term specific ring creep stiffness and wet creep factor under wet or dry conditions
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United power system an disolated power systems. Relay protection and automation. Automatic voltage regulators of strong action of synchronous generators. Testing and checking the settings
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