GB/T 12459  管帽 DN 900-Sch140C

DN 900-Sch140 C

PL40(B)-16 RF b=3

WN 80(B)-16 M S=4

c-BL50-25RF

PL40(B)-16 RF

LWN20-600RJ8

AXC-9

WN100-150 RF Sch80

AXC-8

PL 50(A)-25 RFh80S80056RF15quot;-150 RFnaT1��(a)-10rf211..150JRf1..9502-2009 δ0=24000 RJ Sch40S� S=7.1 RF RF0@R@c4ha�1Ampamp0