GB/T 12459  弯头 DN 700-Ⅱ-1090ESmfm sch

DN 700-Ⅱ-10 90ESmfm sch

PL25(A)-16RFHG2

HP-1rf012.50(B)-1/615-2

47023 fm 450-2.5/48-95FM Sch406 RF10ch406020

47023 -fm1200-4.0-2.5301r

PL 50(B)-16 RFRF S709R

47023 FM1100-4 so100

47023 fm1200-6.4/15-300RF40r00fg=6B)-2.50rj"

SO200(B)-10RFch40