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  机译： 通过丙酸细菌的群作用生产维生素b12的过程。

• 4. Continuous fermentation process which is useful for the simultaneous optimal production of propionic acid and vitamin B12 [P] . 美国专利： US6878534B1 . 2005-04-12

  机译： 连续发酵过程，对于同时优化生产丙酸和维生素B12非常有用

• 5. Process of fermentation is useful for the production optima, simultaneously, propionic acid, and vitamin B12 [P] . PT668359E . 2000-11-30

  机译： 发酵过程可用于同时优化丙酸和维生素B12的最佳生产

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