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.)
Dowa KK
Original Assignee
Dowa KK
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 JP5533373Aexternal-prioritypatent/JPS5123212B2/ja
Priority claimed from JP7329273Uexternal-prioritypatent/JPS53757Y2/ja
Priority claimed from JP7329373Uexternal-prioritypatent/JPS53758Y2/ja
Application filed by Dowa KKfiledCriticalDowa KK
Application grantedgrantedCritical
Publication of AU6197173ApublicationCriticalpatent/AU6197173A/en
Publication of AU479443B2publicationCriticalpatent/AU479443B2/en