HG/T 20592  法兰 PJ/SE 50-10 RF Sch40S

PJ/SE 50(a)-10 RF Sch40S

WN 80(B)-16 RF S=5.5

3 FM 700-4.0092/WN40

PAD SO 400-150 RFRF)-6

WN350-16 RF S=10

PL700(B)-2.5 FF

47065.3 C2ampquotHG20Sc

WN 300(B)-25 RF S=3

WN 20(B)-100 M3)T-6sch4

WN 900(B)-16 RFn0-1rf sch82fF3-0180RF RF 971RFRFF Sch50Fj@5