240*300*20骨架油封240x300x20 240-300-20 240/300/20油封密封圈

氟胶耐高温TC骨架油封密封圈

TC骨架油封密封圈大全尺寸

高温氟胶骨架油封240x280x15/18/20 240x300x20

TN双杆气缸TN16X20X25X32X40X220X250X240X300X400X500X600X450-S

TN双杆气缸TN16X20X25X32X40X220X250X240X300X400X500X600X450-S

J型无骨架密封圈390x430x20

J型无骨架油封200x240x18 240x275X18 260x300x20 390x430x20密封

J型无骨架油封240X275X18/250X280X18/250X285X18/260X300X20

天津密封件橡胶Y型240X270X20/240X280X20/250X290X20/260X300X20

NQK进口骨架油封大全TC型2

NQK进口骨架油封大全TC型240