NB/T 47021  法兰 RF 1000-1.15RFh80SFf@40@R@c459F7RRF Sch819905 rf/u-1.0/12-42

1 RF1000-1.15RFh80SFf@40@R@c459F7RRF Sch819905 rf/u-1.0/12-42

BL2-6RF0S306F004816h/pamp

WN80-150RFb)- RF-115ffrfb)-1rf

so600-300 t F0Tch10STs/u.

so125(B)-150rffampampampampquo

PL 150(B)-16 RF��-16 RF Sch40S300 R

47023 C-RF500-1SCH40RF��0c3

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