GB/T 12459  弯头 DN 200×150-Sch40S90ELR

DN 200×150-Sch40S 90ELR

LJ 18"-300 RF Sch40SRFb)-F119.7

3 M 1500-1.6 �RJ G0RF-R�S40

WN 300-10 FF00-9Psc5ch8sch1421100F55RF616�ãrf/

LWN 1"-900 RF B=27

LWN 1"-300 RF B=27

LWN1"-900RF Sch40

SO 3"-150 RF O=190 B=90.5 Y=31