HG/T 20592  法兰 PL 80(B)-63 RF216F

DPL80(B)-63 RF216F

PL 200(B)-16 RF

wn65-16rf 50/3450c

wn80-25rf

SO 300(B)-25RF

BL150-16 M Ra160l25F1c3/mp

2 FM 600-2.5 δ1=8

PL50(B)-16 RF

47065.2 A5

WN 150(B)-16 RF S=8sc21.060-1.6F RF Sch40Sch40S� 500-s/@bii 1000f@.5FS1606 RFS0rfRFpam83rfF05/ s�F