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Apaolaza Larranaga Elias
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Apaolaza Larranaga Elias
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Application filed by Apaolaza Larranaga EliasfiledCriticalApaolaza Larranaga Elias
Priority to ES1973195242UpriorityCriticalpatent/ES195242Y/en
Publication of ES195242UpublicationCriticalpatent/ES195242U/en
Application grantedgrantedCritical
Publication of ES195242YpublicationCriticalpatent/ES195242Y/en
Improved interchangeable stem screwdriver, characterized in that the stem itself has a cross section in the form of a cross so that depending on the number of edges that are roughing, one end is obtained by a converging flat face and by the opposite roughing the four edges a star point is formed; the aforementioned stem is inserted in a handle, being able to exchange the position in it. (Machine-translation by Google Translate, not legally binding)