GB/T 12459  同心异径管 DN 500×300-10RCmpquothg20615 wn400-600

DN 500×300-10 RCmpquothg20615 wn400-600

4 B2

PL 100(B)-6 RF

pl40-16 rf d=88Sch80Sc

47065.4 B3 h=669

3 FM600-1.0-900 RJF@4 Rch44060fFRFSfrf sch46M@RF R�1@3b�FL550(b)3 RF40R09PL50-12./rj0 WN

PL 500(A)-16RF

WN 200(B)-25RF

PL200-10RF B=76.5 C=20

1 F