GB/T 12459  弯头 DN 400-Sch4090ESrf0

DN400-Sch40 90ESrf0

20615-wn50-150 rf sch.1

47021FM1500-0.25° pl40(b00Rhg20

BI1300-/Mf10140-1

pl125(B)-10 RF.108B/hg/t20592-20½0 RF S=ch40sRFFHGFRFm

wn80(b)-25ff s=4 h=65=18 K=150 L=

PL25(B)-10 RFS

PL15(A)-16RF

SOP FF 10K 80A

LWN100-150 RF500RJ100