league for the obtaining of special steel for tools for working in the cold.

• 1. 一种适用于寒冷地带的间隙性工作电炉 [P] . 中国专利： CN210374560U . 2020.04.21
• 2. 一种用于寒冷地区的高效节能的新风机及其工作方法 [P] . 中国专利： CN106123134B . 2019.10.18
• 3. alloy, especially for obtaining a special steel for tools for working in the cold. [P] . ITMI20130250U1 . 2015-01-06

  机译： 合金，特别是用于获得用于冷加工工具的特殊钢的合金。

• 4. alloy for obtaining special steel tool lavorazionia cold. [P] . IT1244297B . 1994-07-08

  机译： 合金，用于获得特种钢工具冷拉索。

• 5. alloy for obtaining steel special tools for cold working [P] . IT1318038B1 . 2003-07-21

  机译： 获得冷加工专用钢工具的合金

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