HG/T 20592  法兰盖 BL 400-16 RFf8FB)24 H=F S3040RF0f)-rfSF

BL400-16RFf8FB)24 H=F S3040RF0f)-rfSF

SO25(B)-25 RFjac/B

SO 100-300 RF-16 RF6RFF S=11.13rf-1.0/j

wn 900B-300RFRF700-RF

SO25-40FMampa/0/

HG/T20623 WN350-2500 RJ77M805 L16RF16S8

WN 50(B)-16 RF Sch100pam

SO250-150 RF B=22/-15

SO 50-150 RF0=812FF638075