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Individual
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Individual
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Priority to ES1969151129UpriorityCriticalpatent/ES151129Y/en
Publication of ES151129UpublicationCriticalpatent/ES151129U/en
Application grantedgrantedCritical
Publication of ES151129YpublicationCriticalpatent/ES151129Y/en
Improved head, characterized in that the base or support carries a groove and on it are stiffened keys or guides that fit into the grooves of the bed where it is fixed by screws or clamps. (Machine-translation by Google Translate, not legally binding)