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Priority claimed from BE2/59531Aexternal-prioritypatent/BE891671A/nl
Priority claimed from BE2/59682Aexternal-prioritypatent/BE893000A/nl
Priority claimed from BE2/59771Aexternal-prioritypatent/BE893805R/nl
Application filed by Christiaan Adriaan VandekeybusfiledCriticalChristiaan Adriaan Vandekeybus
Priority claimed from EP82201674Aexternal-prioritypatent/EP0083466B1/de
Application grantedgrantedCritical
Publication of ATE18114T1publicationCriticalpatent/ATE18114T1/de