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.)
Individual
Original Assignee
Individual
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Publication date
Priority claimed from AT423464Aexternal-prioritypatent/AT273013B/de
Priority claimed from DEG40953Aexternal-prioritypatent/DE1302050B/de
Application filed by IndividualfiledCriticalIndividual
Publication of ES303470A1publicationCriticalpatent/ES303470A1/es
Management, Administration, Business Operations System, And Electronic Commerce
(AREA)
ES0303470A1963-08-291964-08-26Un procedimiento con su dispositivo para el apuntalamiento del techo en explotaciones mineras subterraneas.
ExpiredES303470A1
(es)