HG/T 20592  法兰盖 BL 400-40 T H=10G6 rf hg=tp0-RF s=8b=4

BL400-40T H=10G6 rf hg=tp0-RF s=8b=4

3 CFM 1200-4.020δ0=8RF Sc0(B)-10 RF

1 RF 500-0.6b16rf1L A=165.2 B=155.2.6F-Fb).1qu25CH40S03F6

PL 32(B)-16 RFS=6FMsch0 RFM0

WN25(B)-16M S=4

BL300(B)-16 M-

wn125b-100RF¦Â°=4R/n100-25fmR-16RF2.70SRF-F8m=-200

A WN