HG/T 20592  法兰盖 BL 200-10 FF100-1.6

bl200-10ff100-1.6

PL 40(B)-40RF.6/forus6 RF6c441

pl65-16rfsch20R4

2 RF 1100-1.0/108-2050S0rf00-1 fm 600-

PL 50(B)-16 RFSchRF6 RFr71

1 C-RF 700-1.0 δ

HP-2 п©б╘п╠Б∙≤п©Б√

BⅡ 17000f5RF/T20615-2009)

WN150-150 RF scF09b5MS16 RF000-1.