Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP59212383Aexternal-prioritypatent/JPS6190524A/en
Priority claimed from JP59212381Aexternal-prioritypatent/JPS6190523A/en
Priority claimed from JP59212382Aexternal-prioritypatent/JPS6190198A/en
Priority claimed from JP59269375Aexternal-prioritypatent/JPS61146020A/en
Priority claimed from JP59269374Aexternal-prioritypatent/JPS61146019A/en
Application filed by Yamaha CorpfiledCriticalYamaha Corp
Priority to SG1895ApriorityCriticalpatent/SG1895G/en
Publication of SG1895GpublicationCriticalpatent/SG1895G/en