HG/T 20592  法兰盖 BL 500-6 RF2-2009-0.6Rп�

BL 500-6 RF2-2009-0.6Rп�

SO 25(B)-16 RF§ã¨âam Sch

47022 -FM 1100-1.

SO 25(B)-16 RFbb=1

SO 25(B)-25 t0RF-16rfLMF S=1300a3/u0

SO 4"-150 RF-2816cF25 RF S=42.5 R/

SO 4"-300 RF5 δs=820m000

lwn50-300m.fS230ch80h278F6rf5056- 165pam0r

SO