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.)
Yamamoto Seisakusho Inc
Original Assignee
Yamamoto Seisakusho Inc
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 Yamamoto Seisakusho IncfiledCriticalYamamoto Seisakusho Inc
Priority to JP6355286ApriorityCriticalpatent/JPS61217681A/ja
Publication of JPS61217681ApublicationCriticalpatent/JPS61217681A/ja
Publication of JPH0353556B2publicationCriticalpatent/JPH0353556B2/ja