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Priority claimed from CH43/83Aexternal-prioritypatent/CH682850A5/en
Priority claimed from CH5727/83Aexternal-prioritypatent/CH682851A5/en
Application filed by Zueblin Marcel Dipl Ing EthfiledCriticalZueblin Marcel Dipl Ing Eth
Priority claimed from EP83112764Aexternal-prioritypatent/EP0113468B1/en
Application grantedgrantedCritical
Publication of ATE54494T1publicationCriticalpatent/ATE54494T1/en