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.)
Yukio Naka
Original Assignee
Yukio Naka
Filing date
Publication date
Priority claimed from JP6445974Uexternal-prioritypatent/JPS50152346U/ja
Priority claimed from JP6445874Uexternal-prioritypatent/JPS50152345U/ja
Application filed by Yukio NakafiledCriticalYukio Naka
Application grantedgrantedCritical
Publication of AU8038175ApublicationCriticalpatent/AU8038175A/en
Publication of AU483883B2publicationCriticalpatent/AU483883B2/en