HG/T 20592  法兰盖 BL 300(B)-10 RFh400 RF R@416001@bl1=1

bl300(b)-10 rfh400 RF R@416001@bl1=1

WN 10"-900 RF Sch120/1062000-s/@A 100 RC0(4

BI 1200

PL 32-16 RF

PL 50(A)-25 RF b=3

WN80(B)-16 RF@"-300 RF Sch40S00-1.6a@f2s1�FFRFam@F.5 R7.5 RJ�เธ@AFFfRF RFRF SCH40S150 RF Sch40S@R1ammpfRF660 RFh