HG/T 21574  吊耳 SP-90

SP-90@R@0000O0@00 SL RF ⅡHTR6rfRF/0pam0@RF0@RF RF1655h40S.@

WN 32(A)-25 M S=9-1

WN 3/4"-150 RF Sch80S

SO 80-150 RF5-XXS90

WN 20(B)-16 RF0@SF-R9e���0 FMF

nb/t47021 cm1200-0.6

PL80-16RF0 FF Sch

PL100B-10FF1

WN 6"-300 LG Sch40S

PL40-10