HG/T 20592  法兰盖 BL 500(B)-16 RF�าF@RF83B)-10 RF00-@A43RF@AFF@P2@Fj@5@0.2c16RF59

bL500b)-16RF�าF@RF83B)-10 RF00-@A43RF@AFF@P2@Fj@5@0.2c16RF59

PL 600(B)-6 RF

BII 27301

20592 WN80-40Mr6RF K=80BLnd/(b)--1RF

BL 500-6 RF.hgcad.com/@PL10-16

DN700-PN16 PL/W-B II S=14 H2=300

BL150-25 RF401=19 smf RF B=38

lwn20-1500 rj0(b)rf3F-1F864h1