GB/T 12459  弯头 DN 80-3.545E3D

DN 80-3.5 45E3D

PL 600(A)-16 RF��F ScFFt06p@ТАF5@PFFtS06RF0RF5 RJ-160 RF000

WN25-300 RF-25 RFS ScC0sF RF.5 RJ RR00R

WN 10-900 RF5RF S.05

WN 150(B)-40 FF Sch80S

JWN 400×450-150 RF Sch10S0 Sch300 RF Sch2H@2@

PL 100(B)-40 RF

WN40-1500RF D3006

BL