支座 BⅠ 1900 s6 RF 6RF.6/Sch8 b.5(a)-1625M550-2
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  • 220301032201360120025×45°2-∅11120°35=45141414143163162─ф3519014101510=1360120048026010垫板弧长2200排气孔∅1645°50162503010030