GB/T 12459  弯头 DN 50-Sch4090EL-1.SCH4rf

DN50-Sch40 90EL-1.SCH4rf

3FM800-1.6/48-133.501= п©B系列40mpampam-2r

HP-2 ะ าะฒ�

47021fm450-0.6MFrf1000-1.0 /u00c3/210D=06 R209 S

LWN50-150 RF L=3R

SO65(B)-16 RF(b s=18Sch40F.6

BL250-10 RFAF S4000f 10Ã800r

47022 FM1100-1.0/80

so25-16