HG/T 20592  法兰盖 BL 65(B)-40 McL250-25RW9/rf100Ff

bl65b-40mcL250-25RW9/rf100Ff

SO25B-40M

SO 50(B)-25 T

WN 3"-600 RF Sch80S

SO 300(B)-16 RF

3 RF 600-1.6JM6rf0SRFM0r

LWN 40-300 RF B=38

PL2000-16RF

WN150A-100T016

3 A314F SRFcf6rf1525RF-100-160T8061456.0A)RFf h=3004F S/s rf-15- RF40RFrKpam92 Scch40