GB/T 12459  弯头 DN 450-Sch40S90ESRFR

DN 450-Sch40S 90ESRFR

WN300(B)-160 RF0000000000000000

47022 FM600-2.5.0 56

so150-16tS0/a6cF1.640oru-120.5-R@WN10

WN 40-16 FM s=3

WN200-900 RJ�RF2RRF BB=51.5 RJ-1671RF@40@40

47023 fm600-2.5/44-110

WN65-600 RFBFM 1800-2.5/f16=Sch40190 C=14pamp

bi600-