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.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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 Bridgestone CorpfiledCriticalBridgestone Corp
Priority to JP753821ApriorityCriticalpatent/JPS5740170B2/ja
Publication of JPS5179197ApublicationCriticalpatent/JPS5179197A/ja
Publication of JPS5740170B2publicationCriticalpatent/JPS5740170B2/ja