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美标O型圈AS568-250/251/252
星型密封圈优质丁晴耐磨
丁晴星型圈密封性好防水防油
O型圈 丁晴/线径3.53MM内径123.42/126.59/126.6/128/129.77
星型圈3.53*129.77/132.95/136.12/139.3/142.47进口X型圈密封圈*
丁晴O型圈内径123.42/126.59/129.77/132.94/136.12*3.53
星型圈3.53*129.77/132.95/136.12/139.3/142.47进口X型圈密封圈
X型圈 星型圈 内径120.25/123.42/126.6/129.77/132.94*3.53
星型圈X型圈内126.59/129.77/132.94/136.12/139.29/142.47*3.53*
X型圈 星型圈123.42/126.6/129.77/132.95/136.12/139.3*3.53
极速星型圈3.53*129.77/132.95/136.12/139.3/142.47进口X型圈密
星型圈X型圈内126.59/129.77/132.94/136.12/139.29/142.47*3.53
速发星型圈3.53*129.77/132.95/136.12/139.3/142.47进口X型圈密
星型圈3.53*129.77/132.95/136.12/139.3/142.47进口X型圈密
内径129.77/132.94/136.12/139.29/142.47/145.64*3.53氟胶o型圈*
内径129.77/132.94/136.12/139.29/142.47/145.64*3.53氟胶o型圈
星型X型圈内径126.59/129.77/132.94/136.12/139.29/142.47*3.53
氟胶O圈O令O型圈内径117.07/120.24/123.42/126.59/129.77*3.53mm
星型圈X型圈117.07/123.42/126.6/129.77/132.94*3.53O型圈密封
X型 星型密封圈 O型圈内径123.42/126.59/129.77/132.94*线径3.53
。丁青星型圈126.60/129.77/132.95/136.12/139.30/142.47*3.53
星型圈X型圈117.07/12.42/126.6/129.77/12.94*.5O型圈密封
X型 星型密封圈 O型圈内径12.42/126.59/129.77/12.94*线径.5
氟胶O型圈内径123.42/126.59/129.77/132.94/136.12/139.29*3.53
氟胶O型圈内径113.89/117.07/120.02/123.42/126.59/129.77*3.53
星型圈X型圈内126.59/129.77/132.94/136.12/139.29/142.47x3.53
进口美标X/星型圈 内径120.25/123.42/126.6/129.77/132.94*3.53
日本进口O型圈AS568 251 252 253 129.77 132.94 136.12*3.53
美标丁晴O型圈内径123.42/126.59/129.77/132.94/136.12*3.53
三元乙丙O型圈EPDM内123.42/126.59/129.77/132.94/136.12*3.53
星型圈X-Ring126.59/129.77/132.94/136.12/139.29/142.47*3.53
优质O型圈123.42/126.59/129.77/132.94/136.12/139.29*3.53
优质NBR丁腈橡胶耐油O型密封圈内径129.77/130/142/148.82*3.53
AS568美标优质丁腈橡胶O型圈126.59 129.77 132.94 136.12*3.53
硅胶耐高温O型圈内径117.07/120.24/123.42/126.59/129.77*3.53mm
氟胶O型圈内径123.42/126.59/129.77/132.94/136.12/139.29*3.53*
氟胶O型圈 FKM X 内径 外径 128*129.77*132.95*136.12 线径3.53
氟胶O型圈 密封圈 内径123.42*126.6*128*129.77*132.95*3.53
。星型圈X-RING126.59/129.77/132.94/136.29/139.29/142.47*3.53
进口O型圈丁晴美标 内 117.07/120.24/123.42/126.59/129.77*3.53
美标O型圈 美国国家标准AS568-251-129.77*136.83*3.53密封圈 O圈
进口星型圈X型圈美标
进口星型圈X型圈丁晴123.42/126.6/129.77/132.94/136.12*3.53
进口 X型圈 星型密封圈 129.77/132.95/136.12/139.3/142.47*3.53
星型密封圈/X型圈丁腈NBR氟胶120.25/123.42/126.6/129.77*3.53
耐磨耐腐蚀O型圈铂克氟胶
星型圈129.77/132.94/136.12/139.29/142.47/145.64/148.82*3.53
内径氟胶O型密封圈耐高温
丁腈圈QR星型圈x形圈120.25 123.42 126.6 12 129.77 132.94*3.53
高品质棕色氟胶FKM/VITON美标O型圈AS568-251 129.77*136.83*3.53
丁晴O型圈内径*线径122/129.77/128*3.53耐磨耐油密封圈
进口NBR丁晴橡胶星型圈密封圈X型圈123.42/126.6/129.77*3.53丁青
氟胶o型圈内径129.77/132.94/136.12/139.29/142.47/145.64*3.53
氟胶O型圈内径129.77/132.94/136.12/139.29/142.47/145.64*3.53
O型圈 美标AS-566 126.59/129.77/132.94/136.12/139.3*3.53
星型密封圈X型圈117.07/120.25/123.42/126.6/129.77/132.94*3.53
美标丁晴O型密封圈经久耐用
美标AS568O型圈250/251/252氟胶
O型圈 密封圈 X 内径 外径 126.6*128*129.77*132.95 线径3.53
X型圈星形密封圈126.6/129.77/132.94/136.12/139.3/142.47*3.53
耐高温耐磨耐压耐腐蚀氟胶
进口VITON/FKM氟胶O型圈AS568-251 129.77*3.53 美标密封件密封圈
丁晴O型密封圈内径*线径122/129.77/128*3.53耐磨耐油
AS568美标氟胶高温耐磨O型圈
X型圈星形密封圈126.6/129.77/132.94/136.12/139.29/142.47*3.53
氟橡胶氟胶O型圈内径126.6*128*129.77*132.95*136.12*139.3*3.53
【甬成】丁腈O型圈NBR内径126.59/126.6/128/129.77/132.94*3.53
内径123.42/126.59/128/129.77/132.94/136.12*3.53mm丁晴O型圈
星型圈X型圈内径120.24/123.42/126.59/129.77/132.94*3.53
.O型圈 密封圈 X 内径 外径 126.6*128*129.77*132.95线径3.53