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氟胶O型圈内径247.24/253.59/266.29/278.99/291.69/304.39*3.53
美标O型密封圈耐磨耐油优质
速发进口星型圈3.53*278.99/291.69/304.39/329.79/355.19X型圈0
O型圈 丁晴/线径3.53MM内径268/272/278.99/279/291.69/291.96
丁晴耐压耐油耐磨星型圈
氟胶O型圈内径266.29/278.99/291.69/304.39/329.79*3.53
线径3.53mm内径202胶.79-291.69氟胶OPZA橡温型密封圈超大号圈耐
进口星型圈3.53*278.99/291.69/304.39/329.79/355.19X型圈0型圈
进口星型圈3.53*278.99/291.69/304.39/329.79/355.19X型圈0
推荐进口星型圈3.53*278.99/291.69/304.39/329.79/355.19X型圈0
星型密封圈X型圈内径291.69/304.39/329.79/355.19*3.53油缸圈件
X型圈 星型圈247.25/253.6/266.29/278.99/291.69/304.39*3.53
星型圈X型圈内径247.24/253.36/266.29/278.99/291.69*3.53
内径266.29/278.99/291.69/304.39/329.79/355.19*3.53氟胶o型圈
星型X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
。丁青星型圈253.60/266.29/278.99/291.69/304.39/329.79*3.53
星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
进口星型圈3.53*278.99/291.69/304.39/329.79/355.19X型圈0型圈*
丁晴星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
丁青星型圈253.60/266.29/278.99/291.69/304.39/329.79*3.53
美标丁晴O型圈内径253.59/266.29/278.99/291.69/304.39*3.53
三元乙丙O型圈EPDM内253.59/266.29/278.99/291.69/304.39*3.53
。星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
星型密封圈X型圈内径291.69/304.39/329.79/355.19*3.53油缸圈件*
氟胶O型圈内径247.24/253.59/266.29/278.99/291.69/304.39*3.53*
线径3.53mm内径202.79-291.69氟橡胶O型密封圈超大号胶圈耐高温
进口星型密封圈 X型圈 278.99/291.69/304.39/329.79/355.19*3.53
耐磨耐油内径*线径291.69/304.39/329.79/355.2*3.53橡胶O型圈
耐高温耐磨耐压耐腐蚀氟胶
丁晴O型圈内径*线径291.69/304.17/304.39*3.53 耐磨耐油密封圈
氟胶o型圈内径266.29/278.99/291.69/304.39/329.79/355.19*3.53
丁晴O型密封圈内径*线径291.69/304.17/304.39*3.53 耐磨耐油
进口丁晴橡胶密封圈
内径耐高温氟胶耐腐蚀
密封圈密封圈FAST氟胶
O型圈 美标AS-566 291.69/304.39/329.79/355.19/380.59*3.53
进口Viton氟胶内径272 278.99 279 291.69 329.97线径3.53mmO型圈
X型 星型圈 内径247.24/253.6/255.59/266.29/278.99/291.69*3.53
密封圈密封圈FAST/法斯特
丁晴橡胶耐磨耐油耐腐蚀O型圈
【甬成】美标EPDM三元乙丙O型圈AS568-277 291.69*3.53MM耐臭氧
星型密封圈/X型圈丁腈NBR氟胶291.69/304.39/329.79/355.19*3.53
线径3.53AS568美标丁晴O型圈
美标硅胶O型密封圈件厂家直销
美标丁晴O型密封圈经久耐用
O型圈 密封圈 X 内径 外径 260*266.29*278.99*291.69 线径3.53
内径氟胶O型密封圈耐高温
星型圈234.54/240.89/247.24/266.29/278.99/291.69*3.53丁晴氟胶
美标硅胶O型圈内径253.59/266.29/278.99/291.69/304.39*3.53
【甬成】丁腈O型圈NBR内径278.99/279/291.69/291.96*3.53 耐油
高端星型圈247.24/253.59/266.29/276/278.99/291.69*3.53X型圈
星型圈X型圈内215.49/221.84/228.19/291.69/304.39/430.66*3.53
美标AS568O型圈277/278/279氟胶
丁晴星型圈密封性好防水防油
氟橡胶 氟胶O型圈内径266.29*278.99*291.69*304.39*329.79*3.53
高端O型圈 密封圈 X 内径 外径 278.99*291.69*304.39 线径3.53
丁晴橡胶耐油耐磨X星型圈弹性好
美标AS568O型圈277/278/279
线径3.53美标星型圈丁晴氟胶
丁晴/NBR耐磨耐压耐油防水密封圈
美标3.53线径耐高温氟胶O型圈
O型圈丁晴内径268/272/278.99/279/291.69/291.96/304.17线径3.53
美标硅胶O型圈内径253.59
星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.531
O型圈丁腈胶NBR70内径268/272/278.99/279/291.69/291.96线径3.53
线径3.53mm 内径291.69-456.06 意大利DUCI进口丁腈O型密封圈NBR
星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53*
新款丁晴星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.
氟胶O型圈内径247539681681