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DE?? ?? ???
?? 16??? ?? ?? ???? ??? ??? ??.
?? ???? ?? ?? ???? ??? ??? ??? ????: ?? ?? ??, ?? ? ??, ?? ??.
US-FCR, ?? ?? ???
IETF - Internet Engineering Task Force, ?? ?? ???
ACI - American Concrete Institute, ?? ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?? ???
Professional Standard - Forestry, ?? ?? ???
AT-ON, ?? ?? ???
SCC, ?? ?? ???
Danish Standards Foundation, ?? ?? ???
British Standards Institution (BSI), ?? ?? ???
GSO, ?? ?? ???