GB/T 12459  同心异径管 DN 700×10-Ⅱ-7RC

DN 700×10-Ⅱ-7 RC

PL 50(B)-16 RF

PL 450(B)-6 RF RF60 RJ-50-1F Sch40S300 RF S6ch RFFRF0F

PL100(B)-16 RF0F Se2AFF Scho@40(4

wn1120-10rfRF/��

SO15-10RJrf(Bor=10A RJFFF4RFB)-25 RFc@R1ammp

BI 3600

3-FM 1300-2.5/9

1 FM 400-1.0-4.0F 6F

SO450(B)-16 RFF