HG/T 20592  法兰 WN 65-63 FM95/ H=288Fu0080

WN65-63 FM95/ H=288Fu0080

BL 450(B)-16 RF b=5

WN 400(B)-16 RF S=8

wn80-25rj�ุข�

SO 450(B)-16 RF b=5

BL500-1500 g423 RF а

WN 200-300 RF Sch40S

SO 450(B)-16 RF

3 RF1800-1.6/94-19

WN20-150 RF Sch8 SC65 k==2Mch40-2A4FA)1@4а�RF)-10 FFfrf2��