GB/T 12459  弯头 DN 350-9.590ES

DN 350-9.5 90ES

SW 65-900 RJ

SO80(B)-40 RF D=215 K=170 L=22 C=28 H=44

2 FM 450-0.6=4RF BB=2=31=0 RFSb=3F50-1a Rpl450-16rf0

BL80-150 RF

BWN1000-150 RF-165M S

JWN 150×200(B)-16 RF S=3î´1d=-4.@5rf-5 RF

WN400-600RF4ke

20615 WN20-600RJ3ff101.RF S

WN 2&