GB/T 12459  弯头 DN 80-Sch80S90ES00RFHG/0-0a

DN 80-Sch80S 90ES00RFHG/0-0a

BL150-150 RF

PL 80(B)-16 RF

PL 150(B)-16 RF

SO 65(B)-16 RF50 ذ°ذ@5@3@0RF AA=ampampampampampampampwd=&ampamp

WN 600(B)-25 RF S=12

2 RF 500-2.5

LWN 40-300 RF

PL50-16FF

wn500a-16 RF3/SCH40S rf@40@S5 RJrvlet/FB90 Rp��