HG/T 20592  法兰 WN 25-63 RF S=4

WN 25-63 RF S=4

so80(b)-16fmB=

WN800(B)-10Ms=5s/002

wn20-150rfsch40s S=�1000fsF=2=s80sf0B)-16FF

WN80-300 FM B=77

BL 25-63 RF0592r1600-–’ะ‘1106C=10rf=50

WN100-300 RF B=155F RF0F80S=4.500bM S=10

WN1100-150 RF B=1088.

WN50(B)-160 FM S=60as009-

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