NB/T 47022  法兰 RF 800-1.6 δ1

2 RF 800-1.6 δ1

WN25-63MFFFRF4F16.5-150F16 RFFM400-1.0/42 เธฐยž

5M 1300-4.0)-

WN 2"-300 RF Sch40S

1-RF 300-1.6 ฮด0=6-10 rfRF5/F10Bf-1.-1r' SO@470

SO 100-300 RF

BL 10(B)-16 RF6RFF Sch40rf a

HG/T20592 WN200-40G1500RJ04

SO 40(B)-10 RF