PTL4M5A,PTL4M5B,PTL401A,PTL401B,PTL6M5A,PTL6M5B,AIRTAC调速阀
PTL4M5A,PTL4M5B,PTL401A,PTL401B,PTL6M5A,PTL6M5B,PTL601A,PTL601B,PTL602A,PTL602B,PTL603A,PTL603B PTL801A,PTL801B,PTL802A,PTL802B,PTL803A,PTL803B,PTL804A,PTL804B,PTL1002A,PTL1002B,PTL1003A,PTL1003B PTL1004A,PTL1004B,PTL1203A,PTL1203B,PTL1204A,PTL1204B