HG/T 20592  法兰盖 BL 900-16 FF020mp0-RF

bl900-16ff020mp0-RF

BI 1000c6 R7 B=96.70.2-170-235f

BL 40-63 RF60.5S/RF Sch40S/001.06=

WN 40-150 RF Sch40

WN80(B)-100 ff20/RF-160 RFRFF B=98M S T0f s=.0/

PL 40(B)-16 RF

BL 20-1500 RF50FM8006 n=56J

BL40-40 RFSch51ST0δ11=10h10S-FF

BI 25002.5/5 RF2h40/