化学配方数据库
| 配方类型： | INKS AND CARBON PAPER |
| 配方说明： | To Regenerate Typewriter Ribbons (French Patent 1,271,300) |
| 配方组成： | Immerse used ribbons for less than a minute i Diethyl Phthalate/30 Ethylene Dichloride/70 |
| 配制方法： | Drain and dry in air. |
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