HG/T 20592  法兰盖 BL 40(B)-40 RFR2009wtatF16 RF�30 RFlrR14.SCR91(00@40

bL40(B)-40 RFR2009wtatF16 RF�30 RFlrR14.SCR91(00@40

TPB-4-10-20 Lc=850 δ

WN80-300 RF S=5.

3 FM 1800-2.5 δ0=14atF8rf

WN25-40 RF N=/h8SCH40S=5

PL 300(B)-6 RF)-800F1)/1

20529bl150-16rf SF1€¦�0 LT Sch40St;-15

IF 10-900 G4

WN 1 1/4"-900 RJ

B