HG/T 20592  法兰 SO 200 (B)-16 RFh01CRS=105 A=8158RF7m0 RFF R=5FRF4

SO200 (B)-16RFh01CRS=105 A=8158RF7m0 RFF R=5FRF4

wn25-600rfsch)-63 M65.60-mpampampamp

47022G900-1.60F´=68 h=17062-1

wn300-300rfs=6.3- RF Sch40S-9 45E3DF B=4

و³•ه…° WN 150(B)-16RF s=60(B)-10 RF S=5/ s=4/RF

WN 25(B)-16 FM S=4h40300-F040

BI 8