HG/T 20592  法兰盖 BL 400-10 RF�©Б∙■п╠Б∙░п©я▒п©Б■°п©Б∙⌠�

BL400-10RF�©Б∙■п╠Б∙░п©я▒п©Б■°п©Б∙⌠�

WN 20-600 RJ S=6RJFM H=98 S=8aS=313015000-0.

SW 25(B)-16 RF δ=50 H=118cCH60Sch81FRFf0-2.F40rfrf)sb50-000

WN150-600RF2.16 RF30

WN150-25FF H=211.0/12Sch85A605(b)-180-5FMRF1-0.6601