法兰 SO 20-16 M/650-4.0/forum.ht0-00(B)-16 RF ff10.0 δ=120 h=250100-1.6/116-260
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  • 4ф144.0ф752ф51ф58
    ф22.3ф105R46R4≥2.340ф40ф26.918