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.)
IG Technical Research Inc
Original Assignee
IG Technical Research 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 IG Technical Research IncfiledCriticalIG Technical Research Inc
Priority to JP5167785ApriorityCriticalpatent/JPS61211449A/ja
Publication of JPS61211449ApublicationCriticalpatent/JPS61211449A/ja
Publication of JPH051338B2publicationCriticalpatent/JPH051338B2/ja