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X型/星型密封圈456.06/481.14/481.64/506.86/532.26/557.66*5.33
星型圈329.57/354.97/380.37/405.26/430.66/456.06/481.14*5.33
丁晴QR星型圈X型圈内径196.22-481.14线径5.33油压气动密封圈耐油
