GB/T 12459  弯头 DN 32-3.5180EL

DN 32-3.5 180EL

PL 100-10 RF Sc1l2

SO 8"-300 RF Sch80S

sw 25-150 RF

wn1500-16rf0-19-5(B)600

WN 50-900 RF Sch1601h4 FMδ0=10a1217.5 RJj@5c2@RF@4

WN 8"-600 RJ P=

TH 200(B)-160 RF

BL250-63 RFp

PL 80(A)-16FF40(05rf@40@S5 RJ Sch100Grvlet/F sF080