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file-protection ring
microel.	Schreibring m (s.a. write-permit ring und writeinhibit ring); Schreibsicherungsring m (s.a. write-permit ring und writeinhibit ring)
file protection ring
gen.	Schreibring m (bei Magnetbändern)
IT	Ringschutz m; Schutzring m; Dateischutzring m; Dateisicherungsring m