HG/T 20592  法兰盖 BL 200(B)-63 M815016rfB)/m

bl200(b)-63m815016rfB)/m

支腿 A2.0 RF5Mampampamp

LWN200-150 FM6cะฟา0RF0@RJ-16

WN15(B)-160RF=Fh2m2

SO 500(B)-16 RF b=4

SO550-25RF1Rh10RF-R�S40 RERF SCH�0sb5 RJ-0406Sch804.0 FF IH160RF

AWN1250-600 RF S/466n

WN150-150FF H/FNJB=0

WN50(B)-30