弯头 DN 50-Sch10S45ELF40 RF S=3F S=3-1605250-600 RF

DN 50-Sch10S 45ELF40 RF S=3F S=3-1605250-600 RF

pl40(B)-10rf5.6 rf

wn20-100 mfrf/

Wn 450-150 RF

WN25(B)-25 M S=3.5

wn65-300 fm sch40

PL125-16RFD0(B)-16RFS=/42-1/Fr3s=3.5RJ S=1625RF4h rf s RFf0-300RF66592-2001.6Sch492-2/4450

WN4(B)-40 RF8B)-HG/4/

bl5