HG/T 20592  法兰 SO 200(B)-16 FF@أ�1.F80stM 2600-1.6RF Sch4rf

SO 200(B)-16 FF@أ�1.F80stM 2600-1.6RF Sch4rf

SO 300(B)-16 FMp RF�40S300L2mp

SO 50(B)-16 RFg20615&am

Th(NPT)40-150 RF D

SO500(B)-16RFRF S=12 rfn=/-1

PL150-25RFRF0rfrf2-2009-16

WN1000A-10RFS=126 RFt250500

WN22-1500 RF0Scch44064Sc2@�

WN 300-