HG/T 20592  法兰盖 BL 500-40 RF6f N=(A)-6340RF)

BL500)-40RF6f N=(A)-6340RF)

PL600(B)-10 FF C=1

wn20-100m s=3.4 Rampnbsp2600 S=4.5530.650 RF/025 SchF S=4mm00-2 4

WN300(B)-16 FFH4F0rservletd=39n=2412F1

wn80A-10RF100-16 rf-4F.7F b=4)-1

PL 65(B)-6 FF-25rf/24/b.¦/ R1=16016rf d=

SO 15(B)-40 RF

1 RF 700