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.)
HOKKAIDO TOGYO
Original Assignee
HOKKAIDO TOGYO
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 HOKKAIDO TOGYOfiledCriticalHOKKAIDO TOGYO
Priority to JP12810085ApriorityCriticalpatent/JPS61285913A/ja
Publication of JPS61285913ApublicationCriticalpatent/JPS61285913A/ja
Publication of JPH029762B2publicationCriticalpatent/JPH029762B2/ja