HG/T 20592  法兰盖 BL 600(B)-40 RF025(B)-

BL600B-40RF025(B)-

WN 20(A)-63 RF Sch40

SO 250(B)-16 RF412RFFh1/F�@RF@4 Rch4406R-1500 FF@4 Rch475S=6600 RF Sch80K 200Ah160

WN100-300 RF S=9

SO65B-16M b=3

bl100-16rfRF155b)-1

SO 3"-150 RF-150 RFjRF S=3.4F@-6@4J0FF@2FS1@�Ff300 RJ Sch40fS.com/@