HG/T 20592  法兰 PL 500(B)-10 RF C8320-1=0-1=45 s=5 h1FF8-045ELF C

PL500(B)-10 RF C8320-1=0-1=45 s=5 h1FF8-045ELF C

WN80(B)-900RJ8-190S051600 RF S

bl50(b)-300 rf s=3�

JWN 100×150(B)-25 RF

47021fm600-1.0-5500s5F60K=20m040L10

WN 100-600 RF

LWN 25-300 RF SCH4.50-10J005075 C=150-130-150RF SC10RFRF1.n

pl150(b)-16 RfBB