Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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FERNANDEZ S AREZ COSME
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FERNANDEZ S AREZ COSME
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Publication date
Application filed by FERNANDEZ S AREZ COSMEfiledCriticalFERNANDEZ S AREZ COSME
Priority to ES0028603UpriorityCriticalpatent/ES28603U/en
Publication of ES28603UpublicationCriticalpatent/ES28603U/en
PERFORATION CROWNS WITH HARD METAL INSERTS characterized by having a hard metal inserted in its cutting edge, being provided with holes for the injection of air or water when drilling. (Machine-translation by Google Translate, not legally binding)
ES0028603U1951-10-311951-10-31Drill crowns with hard metal insert (Machine-translation by Google Translate, not legally binding)
PendingES28603U
(en)