ES48280A2 - Un nuevo procedimiento de enseñanza práctica de los conocimientos técnicos e industriales por medio de la correspondencia.
- Google Patents
Un nuevo procedimiento de enseñanza práctica de los conocimientos técnicos e industriales por medio de la correspondencia.
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.)
Martin Monmenem Arturo
Nogales Raya Manuel
Original Assignee
Martin Monmenem Arturo
Nogales Raya Manuel
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 Martin Monmenem Arturo, Nogales Raya ManuelfiledCriticalMartin Monmenem Arturo
Priority to ES48280ApriorityCriticalpatent/ES48280A2/es
Publication of ES48280A2publicationCriticalpatent/ES48280A2/es
ES48280A1910-06-221910-06-22Un nuevo procedimiento de enseñanza práctica de los conocimientos técnicos e industriales por medio de la correspondencia.
ExpiredES48280A2
(es)