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запрещённый символ stresses
comp.	forbidden char; illegal char
IT	forbidden character; invalid character
media.	unallowable character; unused character
tech.	illegal character; improper character
запрещённый недопустимый символ
IT	illegal symbol
запрещённые символы
IT	characters that aren't allowed (Alex_Odeychuk)

запрещённый символ: 1 phrase in 1 subject

Medical

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