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.)
Yamada Manufacturing Co Ltd
Original Assignee
Yamada Seisakusho 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
Application filed by Yamada Seisakusho KKfiledCriticalYamada Seisakusho KK
Priority to JP10431489ApriorityCriticalpatent/JPH02280871A/ja
Publication of JPH02280871ApublicationCriticalpatent/JPH02280871A/ja
Publication of JPH0577471B2publicationCriticalpatent/JPH0577471B2/ja