The invention concerns informatics equipment for an actor in a logistic chain of production or processing of products, more specifically of food products. This equipment comprises: the means to create document models based on heading modules and attribute modules, said document models being comprised on the one hand, of at least one heading (R.sub.1, R.sub.2 and R.sub.3) and on the other hand, of at least one attribute (A.sub.1, A.sub.2 and A.sub.3) for each heading, comprising a data base, at least one of the attributes being a link to another document, comprising means for acquiring the documents with interfaces for acquiring the values (V.sub.1, V.sub.2 and V.sub.3)

 
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> Amidases, nucleic acids encoding them and methods for making and using them

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