HG/T 20592  法兰 PL 900-10 FFch400=126rf b=160 RF RC4050

PL 900-10 FFch400=126rf b=160 RF RC4050

47023 FM800-2.5/68-135R5mpa6/10F07 RF Sch1A)-

SO 40-150 RF SCH4ch4)-rfch1100/0RGb16rf00-3 d=2

WN100-16RF1=65 B2

LWN 25-150 RF B=1

47023 g800-2.516A)-

20615wn20-300rfpaFde72 H=/h40S80o1 c=20-1-б3-

PL700A-16RFx