HG/T 20592  法兰盖 BL 100-10 FFhg)0 RF S=8=1RF25

bl100()-10ffhg)0 RF S=8=1RF25

5WN80-150RFп═п├п═р≤п▓б╝п═п├

PL500-16M5Fп▒Б┬≥Б∙≈п▒Б┬ Б√▓п▒Б┬≥Б∙≈я▀Б√▓п▒Б┬

WN 200(B)-63 RF Sch80S

PL350(B)- 10RF0200S

WN50-1500RFl5001.5O

PL250B-1