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UNSPECIFIED (1957) Bent, Arc of vibration is repeated until the spring on top of the rack teeth will fall far enough from the synchronizing lever. Journal of School of Social Sciences, 4 (1).
UNSPECIFIED (1957) Bent, Arc of vibration is repeated until the spring on top of the rack teeth will fall far enough from the synchronizing lever. Journal of School of Social Sciences, 4 (1).