HG/T 20592  法兰盖 BL 150-6 RF0 RJrf65B-16 /u00400-1.0rFb=3=4404═ R

BL 150-6 RF0 RJrf65B-16 /u00400-1.0rFb=3=4404═ R

PL20(B)-16 RF b=0 B=28

LWN40-150 RF Sc50 rf sch80B/T 47065.1-0 B=2939wn50-150 r

BL 2"-150 RF5 Fδ0

WN 100-150 RF SCH40S

WN200-150RF)1/=20E3Dп©б╘п▒Б┬≥Б∙≤п©Б√

5 CG 950-0.620