HG/T 20592  法兰盖 BL 15-63 FM´=-16R0

BL 15-63 FM´=-16R0

WN80(B)-16 M S=00R616h11f0�@R��@4RJ

SO 150(B)-16 RF

WN50-300 RF Sch40

WN 15-2500 RJ Sch40S

WN 40(B)-16 M S=4

PL200(B)-16 RF600 BL FF â�RF2205

PJ/SE 250(B)-16 RF

WN80(B)-16 RF S=4.2

WN150-100 RF S=7.1o-r0000-1.0J00 RF FM/