HG/T 20592  法兰 SO 65(B)-25 RFF6FF-f l=10-1.6/forum

SO 65(B)-25RFF6FF-f l=10-1.6/forum

pl65-16 rf hg fm0rf0rfs0

so32(B)-16 fm HFS

BL15-150 RFfmRF0-

SO 250(B)-16 FM b=003 undefined=61 n=/130½�

so 40-300 fM2¬æ–/B=34.5B)F/F�f00 rf schc=200 RF0 RF2-0 R03S0S8/=

WN25-25 RF S=4/t

SO250-150 m0

PL400