HG/T 20592  法兰盖 BL 500-40 RFRFPL RF �F S��5 RRF06@w5h4J-Rmpam0@RJ000-1.0

BL500-40 RFRFPL RF �F S��5 RRF06@w5h4J-Rmpam0@RJ000-1.0

2 A51001аёЈа

SO 100(B)-25 RFS=3.4S RF 800-

B WN 46"-150 RF ,S=8

WN250A-40RFRFF)-1660F Sc

WN 150-150 RF Sch60 B=506

B WN 26"-150 RF ,S=8

BI 1000-S/F500-R73h80iScFFFFSch805F Sc