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universal service order code

elektron.

通用服务指令码

telekom.

原 Bell System 的通用业务程序代码

Angielski tezaurus

Universal Service Order Code

skr., astronaut., wojsk.

USOC (e.g., for telephone jacks: RJ - Registered Jack; C - flush or surface mount jack; W - Wall mount Jack; X - complex multi-line or series type jack)

skr., technol.

USOC