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特殊不锈钢 904l f44 2507 2205 254o xm-19 s21800 20-mo6 f55 17-7ph 17-4ph a4 alloy20 alloy30 nitronic50 nitronic60 nitronic80a 等。精金因瓦合金 invar36/4j36 4j32 4j29 1j50 1j79 3j09 3j40 4j28 6j20 6j22。因科洛伊合金系列:incoloy800h/ht incoloy925(901/903/926) incoloy825801 incoloy25-6ma-286等。

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