| 類型 | Manufacturer |
|---|---|
| 網站 | https://www.keybak.com/ |
| 電話號碼 | 909-923-7800 |
| 地址 | 4245 Pacific Privado Ontario, California 91761 |
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Lummis filled that need by inventing the KEY-BAK®. It was an instant success, first in the railroad industry and then in other industries, wherever keys were part of the job.