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Priority claimed from JP3837185Aexternal-prioritypatent/JPS61198399A/en
Priority claimed from JP3837285Aexternal-prioritypatent/JPS61198397A/en
Application filed by Nohmi Bosai Kogyo Co LtdfiledCriticalNohmi Bosai Kogyo Co Ltd
Priority claimed from EP86102580Aexternal-prioritypatent/EP0205749B1/en
Application grantedgrantedCritical
Publication of ATE51722T1publicationCriticalpatent/ATE51722T1/en