HG/T 20592  法兰 WN 700-40 RFh20s un0

WN700-40RFh20s un0

pl400(B)-6rf/m-6RFSch8080

BL 200-100 RF/150 RF120

PL100(B)-16 RFAl80-6 RF/ RF

so50-40 M

SO40-16 RF Sc606/21

B WN 1400-150 RF S=28

wn150-100 rf sch20h46Frf50/st014027 R1600ch.4l0-00

47023 FM 500-1.6/45

LWN 15-1500 FM Sch10022.5 п�