O型圈 丁晴/线径3.53MM内径304.17/304.39/315.85/329.79/329.97

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进口Viton氟胶内径272 278.99 279 291.69 329.97线径3.53mmO型圈

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O型圈丁晴内径304.39/315.85/329.79/329.97/335/335.19线径3.53

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【甬成】丁腈O型圈NBR内径329.97/335/335.19/355/355.19*3.53

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