HG/T 20592  法兰 SO 1600-16 RFS S0592-R9eS-R@A4

SO 1600-16 RFS S0592-R9eS-R@A4

WN 80(B)-16 RF S=5

WN60-150 RF Sch401@p

WN10-2500 RF.5 RJ-R��d5ELJ

SO200-16 RF

SP-3

WN25B-25RJR�@R0..016p@п�

1 RF 700-0.6 δs=5

WN 600-300 RF Sch10S

PL 20(B)-25 RF�1@3b�S00@RFSp&@t.5 RJ5 RJy0M2 Sc S��3.