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Application filed by Reed Rock Bit Company Una CorpfiledCriticalReed Rock Bit Company Una Corp
Priority to AR28486081ApriorityCriticalpatent/AR241318A1/es
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Publication of AR241318A1publicationCriticalpatent/AR241318A1/es
MEJORAS EN UN TREPANO CON BROCAS GIRATORIAS, PORQUE LOS EJES GEOMETRICOS CENTRALES DE LOS MUNONES ESTAN DESPLAZADOS DESDE EL EJE GEOMETRICO DEL TREPANO EN POR LO MENOS 1,6 MM POR 25,4 MM DE DIAMETRO CORTANTE DEL TREPANO.
AR28486081A1981-04-031981-04-03Mejoras en un trepano con brocas giratorias.
AR241318A1
(es)