HG/T 21574  吊耳 SP-50

SP-50(B)-16RFpamp

WN 100-300 RF Sch40S

47065.3 B2

WN800-300 RF B=779.2

SO150-150 RF

BL 80-16 RF

SO 100(B)-6 RF

DN500-PN25 SO RF

47065.3 B1

WN 3"-300 RF B=66.6��0/FÃ.040R3bRF 220586.4RF Sch8-pampam.08mpampamp0-300R RF6260 RJ S=46-864yxRF S s=30