HG/T 20592  法兰盖 BL 65-25 RFmf s=340amR

BL65- 25RFmf s=340amR

BL200-300 RF δ=6F S=4.F5 F)-16 RF0-5006RF00-sp1.0sc

Pl 200(b)-16 RFF16 R45

1 RF 1200-0.25 δs234MX=Y

HP-2f=trS3000L=2598Cgwd00FF

3 RF 400-1.6 РһТҷ0= rfГғЖ’ГӮВ§Г

SW20-600RFwn220/

SO 20(B)-16 RF B=BSPT b=2h59S9

SO