HG/T 20592  法兰盖 BL 500-16 FFFC-RF�=44 H=1052ch80222-p�Sc85rfRF B��

BL500-16 FFFC-RF�=44 H=1052ch80222-p�Sc85rfRF B��

20615 WN25-150RF SCH16

WN14"-600RF Sch

SO40-150 RF H=20.2c FM-

BL80-300FF900RJ

WN250-150 RFt20

SO 32(B)-150FFpngSS=

BL100-150 RF

bl125(b)-160fm5RF sch40sS=481

WN50-40T S5r-1B=-16 FF�4