ES6671A1 - Un procedimiento de fabricación de mechas de seguridad absoluta para minas, obras públicas y demás trabajos análogos denominados "Mechas sin pólvora".
- Google Patents
Un procedimiento de fabricación de mechas de seguridad absoluta para minas, obras públicas y demás trabajos análogos denominados "Mechas sin pólvora".
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roca Emile Laurent
Original Assignee
Roca Emile Laurent
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roca Emile LaurentfiledCriticalRoca Emile Laurent
Priority to ES6671ApriorityCriticalpatent/ES6671A1/es
Publication of ES6671A1publicationCriticalpatent/ES6671A1/es
ES6671A1887-02-031887-02-03Un procedimiento de fabricación de mechas de seguridad absoluta para minas, obras públicas y demás trabajos análogos denominados "Mechas sin pólvora".
ExpiredES6671A1
(es)