HG/T 20592  法兰盖 BL 400-16 RFFF0htmlS0-10 AA-ch)1.16 RF 1JsRF@F SRF0�GF

bl400(a)-16RFFF0htmlS0-10 AA-ch)1.16 RF 1JsRF@F SRF0�GF

SP-80-1.0203pl40m10s=00

LWN 4"-1500 SGJ0SM

47021fm300-1.6/ 2300-550(6r

TPB-1)-10 RF0(B)-16

bl150-300g140RA2.0-n=0-2.5u/1/6

WN 8"-150 RF Sch10S f=1.6,S=150 R

pl15-16 rj1B)481

WN80-60