HG/T 20592  法兰盖 BL 600-6 RF00-1F B=16 RF )-

bl 600-6 rf00-1F B=16 RF )-

gb9115wn80b-100rf0 RF b=60 rf sch40

BI 500F s2S=6 400en/d B16.5Fu00c3/54�б╘п▒Б┬e1cFM0 RF D=120 K=90h40-16

bl50(B)-16 RF1/п©б╘п╠Б∙≤

SP-5F sch82(B)-922(B)- ScFF

PL 40-16 RF b=5-1.6R

SO65(B)-10RF/u00c0