HG/T 20592  法兰盖 BL 300-10 FFss/u06/48S=3.90

bl300(a)-10ffss/u06/48S=3.90

SO 20(B)-16 RFr/

47023 fm500-4.0 ãžâ

WN32-100RFM-10 d=136 b=-16 R=710516R

SO 65-25 RF=s=c3/data/src

so100-300 t sa/

WN80-150 RF Sch80SM sch405Rnfs16RFfmujb=

DN 80×80×100-Sch60 TRS=

LWN40-300RFB=/u00a6/data/src/haibo.