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美标硅胶O型密封圈件厂家直销
耐油水NBR密封圈内147.5/148.82/149/150/152.5/155/*3.55丁腈O型
美标丁晴O型密封圈经久耐用
丁晴O型密封圈内径*线径145.64/148.82/151.7*3.53耐磨耐油
丁晴O型圈内径*线径145.64/148.82/151.7*3.53耐磨耐油密封圈
O型圈 丁晴/线径3.53MM内径145.64/148.82/151.7/151.99/158.34
NBR黑色丁晴丁氰美标O型圈 AS257-148.82*3.53/AS258-152.00*3.53
氟胶丁晴O型圈耐磨美标O型圈
美标O型圈 美国国家标准AS568-257-148.82*155.88*3.53密封圈 O圈
内径氟胶O型密封圈耐高温
美标AS568O型圈256/257/258
星型圈X-RING/QR型密封139.3/142.47/145.65/148.82/151.99*3.53
丁青橡胶O型圈密封垫圈内径*线径148.82/152/158.34/164.7*3.53
线径3.53AS568美标丁晴O型圈
星型圈X型圈内145.64/148.82/151.99/158.34/164.69/171.04*3.53
丁晴星型圈密封性好防水防油
丁晴/NBR耐磨耐压耐油防水密封圈
丁晴耐油耐压耐磨星型圈
丁晴耐压耐磨耐油星型圈
X型圈NBR星型密封圈方型136.12 139.3 142.47 145.64 148.82*3.53
X星型圈148.82/151.99/158.34/
星型圈X型圈内145.64/148.82/151.99/196.44/202.79/209.14*3.53
O型圈 美标AS-566 142.47/145.65/148.82/152/158.3/164.7*3.53
耐高温耐磨耐压耐腐蚀氟胶
氟胶O型圈内径148.82/151.99/158.34/164.9/171.04/177.39*3.53mm
内径耐高温氟胶耐腐蚀
耐磨耐腐蚀O型圈铂克氟胶
AS568日本进口O型圈142.47/145.64/148.82/151.99/158.34*3.53NBR
【甬成】丁腈O型圈NBR内径148.82/151.7/151.99/158.34*3.53 耐油
氟胶O型圈内径148.82/151.99/158.34/164.9/209.14/215.19*3.53
美标丁晴O型圈内径139.29/142.47/145.64/148.82/151.99*3.53
美标硅胶O型圈内径139.29/142.47/145.64/148.82/151.99*3.53
进口绿氟胶O型圈内径142.47/145.64/148.82/151.99-164.9*3.53
X圈星型圈内径142.47/145.64/148.82/151.99/158.34/164.69*3.53
星型密封圈/X型圈丁腈NBR氟胶142.47/145.42/145.64/148.82*3.53
优质O型圈142.47/145.64/148.82/151.99/158.34/164.69*3.53
高端星型圈139.29/139.3/142.47/145.42/145.64/148.82*3.53X型圈
星型圈X内1456829370ab70ab
星型圈X内径136294758a58ab
星型圈X型圈内径136.12/139.29/142.47/145.64/148.82*3.53
线径3.53美标星型圈丁晴氟胶
星型圈136.12/139.29/142.47/145.64/148.82/151.99*3.53丁晴氟胶
三元乙丙O型圈EPDM内139.29/142.47/145.64/148.82/151.99*3.53
。星型圈X型圈内145.64/148.82/151.99/158.34/164.69/171.04*3.5
氟胶O型圈内径142.47/145.64/148.82/151.99/158.34/164.9*3.53
QR星型圈O型圈丁晴橡胶 136.12 139.3 142.27 145.65 148.82*3.53
进口丁晴橡胶密封圈
内径148.82/151.99/158.34/164.69/164.7*线径3.53 X型 星型O型圈
优质NBR丁腈橡胶耐油O型密封圈内径129.77/130/142/148.82*3.53
星型X型圈内径145.64/148.82/151.99/158.34/164.69/171.04*3.53
美标AS568O型圈256/257/258氟胶
氟胶O型圈内径142756893893
星型圈129.77/132.94/136.12/139.29/142.47/145.64/148.82*3.53
美标3.53线径耐高温氟胶O型圈
X型圈 星形圈145.65/148.82/151.99/158.34/164.69/171.04*3.53
氟胶O型圈内径132.94/136.12/139.29/142.47/145.64/148.82*3.53
进口星型圈X型圈美标
X型圈 星型密封圈 内径139.30/142.47/145.65/148.82/151.99*3.53
A级O型圈优质 NBR黑色丁腈胶线径3.55 内径145/147.5/148.82/149
氟胶O型圈内径142.47/145.64/148.82/151.99/158.34/164.9*3.53*
星型圈X型圈内径136.12/139.29/142.47/145.64/148.82*3.53*
。星型圈X-RING145.64/148.82/151.99/158.34/164.69/171.04*3.53
匀发星型圈X型圈内径136.12/139.29/142.47/145.64/148.82*3.53*
【甬成】美标SIL硅胶O型圈AS568-257 148.82*3.53食品卫生密封件
内径148.82/151.99/158.34/164.9/171.04/177.39*3.53MM氟胶o型圈
丁晴X型圈内径132.94/136.12/139.3/142.47/145.65/148.82*3.53mm
AS568美标氟胶高温耐磨O型圈
星型圈X-Ring145.64/148.82/151.99/158.34/164.69/171.04*3.53
O型圈丁晴胶内径138/139.29/142.47/145.64/148.82/151.7线径3.53
进口美标X/星型圈 内径136.12/139.30/142.47/145.65/148.82*3.53
QR星型圈O型圈丁晴橡胶 16.12 19. 142.27 145.65 148.82*.5
日本进口O型圈AS568 255 256 257 142.47 145.64 148.82*3.53*