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DE?? ?? ???
?? 28??? ?? ?? ???? ??? ??? ??.
?? ???? ?? ?? ???? ??? ??? ??? ????: ?? ??, ??, ???, ?? ??, ???, ?? ??.
Association Francaise de Normalisation, ?? ?? ???
German Institute for Standardization, ?? ?? ???
British Standards Institution (BSI), ?? ?? ???
The Directorate General of Specifications and Metrology (DGSM) , ?? ?? ???
GCC Standardization Organization, ?? ?? ???
Korean Agency for Technology and Standards (KATS), ?? ?? ???
International Organization for Standardization (ISO), ?? ?? ???
Magyar Szabványügyi Testület, ?? ?? ???
Gosstandart of Russia, ?? ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?? ???
Professional Standard - Energy and Power Planning, ?? ?? ???
Professional Standard - Education, ?? ?? ???
South African Bureau of Standard, ?? ?? ???