GB/T 12459  弯头 DN 100-390ESSch40ampampam R0EL r�.5-0

DN 100-3 90ESSch40ampampam R0EL r�.5-0

pl500-25mmF Sch40·آ°=.-0.65

SO 200(A)-16 RF S=8.18

pl100-40rfhg/.0 RF0-100700-ch80

LWN50-300RF B=52.5 H=216=12 c=

SO 2"-150 RFmpam2F=53 11plR/419

WN40(A)-63RF(B)-16-10S3s5p

BII 1600-Frf hF S=0165/8

WN2