HG/T 20623B  法兰 WN 950-900 RF Sch6000-1.6/40 ss10

B WN 950-900 RF Sch6000-1.6/40 ss10

PL80-16FF f s198mp16rf1.0/568200010 KRJ20

PL25(B)-25 FF5fF88s=16rfR.560fm s=7/@)-16rfSchF SC.116RrfhgF/ S2062500 RF S/R

so 65-25 rf0B-104/fo320SrfR-1.6F10rf5/fmF.5/58-120/aaa1s105

SO 65-300 RF� Rb-1�´

PL500B