法兰 SO 25-40 T/n-10RF/50-112 δ1=566R/ RF50512.4/56-10c3/u0083ch4.6EBbiMjFMBL50
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  • 2ф323.8ф362
    ф5/100R≥3R≥4.5ф273ф305134ф40525 ф2612