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NBR丁晴胶O型圈外径30x34x35x37x42x47x50x52x54x58x60x62x65x6
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氟胶TC骨架油封18x28x30x32x34x35x36x37x38x40x45x5x6x7x8x10
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UN密封圈液压油封尺寸大全30
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TC骨架油封密封圈大全20x28x30x32x35x37x38x40x42x5x6x7x8x10
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进口油封26*37*7/8/9耐高压耐高温耐磨耐旋转骨架轴封30X42X6/7/8
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高压骨架油封内径X外径X厚度30*42*6 30X42X6 26*37*7 26-37-7/8
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油缸油封UN28X40X828X40X10 30X36X8 30X37X6 30X38X6 32X42X7 +
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