Printing types. Type family 'Novaya gazetnaya' ( for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
Transportable gas cylinders. Compatibility of cylinder and valve materials with gas contents. Part 4. Test methods for selecting steels resistant to hydrogen embrittlement
System of standards on information, librarianship and publishing. Multilingual thesaurus for information retrieval. Composition, structure and basic requirements for development