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Priority to ES450019ApriorityCriticalpatent/ES450019A1/en
Publication of ES450019A1publicationCriticalpatent/ES450019A1/en
Procedure for the instant termination of key chains, essentially characterized by starting from a key ring with its corresponding ring for the introduction of the keys, to which is related by a chain, a flattened cylindrical piece, which has a circular perimetric lapped crown or other treatment and which has a concentric recess for each of its faces, with a perfectly polished background, said coaxial and equal recesses. (Machine-translation by Google Translate, not legally binding)
ES450019A1976-07-081976-07-08Procedure of instant finishing of key rings. (Machine-translation by Google Translate, not legally binding)
ExpiredES450019A1
(en)
A procedure for preparing the isomero without the compounds of 3-cefem-4-carboxylic acid replaced in positions 3 and 7. (Machine-translation by Google Translate, not legally binding)
Improvement in the procedure for manufacturing the synchronization rings for speed changing mechanisms. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of N- (2-amino-3,5-dibromobenciliden) -trans-4-amino-ciclohexanol. (Machine-translation by Google Translate, not legally binding)