APPARATUS FOR RECOVERING HARD-ALLOY TEETH FROM WASTE ROTARY DRILL BITS

• 1. 一种废合金刀头中金属锡的回收方法 [P] . 中国专利： CN112813272A . 2021-05-18
• 2. 一种硬质合金废屑回收装置 [P] . 中国专利： CN214342144U . 2021-10-08
• 3. METHOD OF EXTRACTION OF HARD-ALLOY TEETH FROM BURRS OF DRILLING BITS [P] . 俄罗斯专利： RU2011136099A . 2013-03-10

  机译： 从钻头毛刺中提取硬质合金的方法

• 4. METHOD OF EXTRACTING HARD-ALLOY TEETH FROM USED CONE DRILL BITS [P] . SU1250593A1 . 1986-08-15

  机译： 从使用过的圆锥钻头中提取硬质合金齿的方法

• 5. METHOD OF EXTRACTING HARD-ALLOY TEETH FROM USED CONE DRILL BITS [P] . SU1247426A1 . 1986-07-30

  机译： 从使用过的圆锥钻头中提取硬质合金齿的方法

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