HG/T 20592  法兰 PL 15(B)-25 RF)- A1RJcRFRF8(b)-63fmj s

PL 15(B)-25 RF)- A1RJcRFRF8(b)-63fmj s

WN 400(A)-16 RF B2/B=48=262 c s2C04 schF=3 RF Sch10Sмил�

WN22"-150 RFmWN25

lwn40-150 rf b=410 f1=2.5

WN50-300RF Sch60.0-20096-125 h=42.5/650=14590-=1560sRF(a)

LWN 40-300 RF B=41=2B)-1205F,Sδ0ra210

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