GB/T 12459  异径三通 DN 1050×1050×800-Sch10TR7100150

DN 800×800×1050-Sch10 TR7100150

WN16-600RFSfA-16

1 rf800-1.04-150 rf sch40S S

WN25(B)-25RF S=4.55RF

wn500(b)-40m)m

WN80-300 RF HG/R/1200-150R)-10 RFRF

WN 65-100 RFH/0SHM9.

47022 Fm700-2.502.5h40 R

BL400-10 RF dwn15-63FM050640ch80S1

pl500(b)-10RF