HG/T 20592  法兰盖 BL 200(B)-16 RF s=8/09/0-2.5)-

bl200(b)-16 rf s=8/09/0-2.5)-

WN 25-300 RF/1RF80-BRFcad00-1. 800-1h60未00

WN 40-300 RF S=

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47023 C-FM1200-1.6 δ

PL600(B)-10 RF B1=64

PL100(B)-16 RF RFRF RFFB=720K-10

PL25B-25FFRFss6� �

WN50-300 M Sch4/09am1R021u10Srfrf R(B)-150 LT Sch