HG/T 20592  法兰盖 BL 200(B)-10 RF

bl200(B)-10RF

SP-2=-150-150RFMRF5Mh80 S=75

BI 650-sf s=18ch80δ=70 h=170bi700-f/

SO 15-150 RF

WN 15-63 RF

WN 300(B)-16 RF

LWN 20-300 RF B=80

BL 80-150 RF

JWN 150×200-150 RF Sch40S

NB/@BII 10004/82-160h3900-1.0F1900-1.0RF1900-0r=j.0/40-110FinvN