Compressors and condensing units for refrigeration. Test methods of performance determination. Part 1. Refrigerating compressors of positive displacement type
Fine-cut smoking tobacco and smoking articles made from it. Methods of sampling, conditioning and analysis. Part 2. Atmosphere for conditioning and testing
Microbiology of food and animal feeding stuffs. Polymerase chain reaction (PCR) method for the detection of food-borne pathogens. General requirements and definitions
