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Glass for use in ultrasound verzoegerungsleitungen with only a little vera sufficient for ultrasonic waves of different temperature coefficients no more than 210 high 6 degree c in the range from 10 to 60 degrees c.
Glass for use in ultrasound verzoegerungsleitungen with only a little vera sufficient for ultrasonic waves of different temperature coefficients no more than 210 high 6 degree c in the range from 10 to 60 degrees c.