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Priority to FR43036ApriorityCriticalpatent/FR1467874A/fr
Priority to CH331166Aprioritypatent/CH460661A/fr
Priority to DE19661535372prioritypatent/DE1535372A1/de
Priority to ES0324427Aprioritypatent/ES324427A1/es
Priority to GB12497/66Aprioritypatent/GB1116907A/en
Application grantedgrantedCritical
Publication of FR1467874ApublicationCriticalpatent/FR1467874A/fr