GB/T593-93GB/T593-93船用旋塞阀
面议GB/T593-93GB/T593-93船用旋塞阀
面议X13W-10PX13W-10P二通内螺纹不锈钢旋塞阀
面议X43W-10P、RX43W-10P/R不锈钢旋塞阀
面议X14W-10PX14W-10P三通内螺纹不锈钢旋塞阀
面议X44W-10P、RX44W三通不锈钢旋塞阀
面议X343F-300LbX343F美标涡轮卡套式旋塞阀
面议X47W-10油密封旋塞阀
面议BX43W、BX44WBX43W、BX44W沥青旋塞阀
面议BX43W-10C、P、R二通保温旋塞阀
面议X44W-1.0C三通铸钢旋塞阀
面议X44T-10X44T三通铜芯旋塞阀
面议X14T-10X14T三通内螺纹铜芯旋塞阀
面议