HG/T 20592  法兰盖 BL 250-25 RFfK=105-10-1.6 h=61

BL250-25 RFfK=105-10-1.6 h=61

SOP FF 10K 50A0-16 RFgwn200-0F��SR02h4040 SCH=3=37.5°32=20d=06RF k=

BI2000025-300rf0/6/85-155006 R1/=560 D1RFLFRf s

PL300(B)-16 RF C=28 f1=4

SO 40-150 RF RF B=102 H=1855 BB=42512pl)

B WN800-300 G6696R H=36F

wn500(B)