BR7703475ABR7703475ABR7703475ABR7703475ABR 7703475 ABR7703475 ABR 7703475ABR 7703475 ABR7703475 ABR 7703475ABR 7703475 ABR7703475 ABR 7703475ABR 7703475 ABR7703475 ABR 7703475A
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Priority claimed from JP6873976Uexternal-prioritypatent/JPS52159314U/ja
Priority claimed from JP1976068738Uexternal-prioritypatent/JPS52159313U/ja
Application filed by Tokico LtdfiledCriticalTokico Ltd
Publication of BR7703475ApublicationCriticalpatent/BR7703475A/pt