Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osaka City Government
Original Assignee
Osaka City Government
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
Application filed by Osaka City GovernmentfiledCriticalOsaka City Government
Priority to JP14281374ApriorityCriticalpatent/JPS5335686B2/ja
Publication of JPS5168917ApublicationCriticalpatent/JPS5168917A/ja
Publication of JPS5335686B2publicationCriticalpatent/JPS5335686B2/ja