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DE?? ????
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?? ???? ?? ????? ??? ??? ??? ????: ?? ??, ??????.
SCC, ?? ????
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ?? ????
IETF - Internet Engineering Task Force, ?? ????
Danish Standards Foundation, ?? ????
NEMA - National Electrical Manufacturers Association, ?? ????
AGMA - American Gear Manufacturers Association, ?? ????
ESDU - Engineering Sciences Data Unit, ?? ????