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Non-ferrous metals. Determination of grain size by comparison with microstructure scale
Document status: Active
Unshaped refractories. Acceptance rules and methods of sampling and preparation
Document status: Active
Seeds of feeding beans. Varietal and sowing properties. Specifications
Document status: Withdrawn
Microbiology of food and animal feeding stuffs. Clostridium perfringens colony-count technique
Document status: Active
