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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, ??? ??