化学配方数据库
| 配方类型： | METALS AND THEIR TREATMENT |
| 配方说明： | Copper Welding Rod (U.S. Patent 2,626,339) |
| 配方组成： | Nickel/99 A flux coating for this is as follows Charcoal/8.0 Limestone/40.0 Cryolite/55.0 Sodium Silicate/14.7 Copper/1 |
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