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Etienne Christian
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Etienne Christian
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Priority to ES209555ApriorityCriticalpatent/ES209555A1/es
Publication of ES209555A1publicationCriticalpatent/ES209555A1/es
Perfectionnements apportés aux calibres ou pieds à coulisse, aux jauges de hauteuret aux instruments analogues pour mesurer des longueurs sur des ouvrages