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.)
INST TECH PRECISION ENG
Bridgestone Corp
Original Assignee
INST TECH PRECISION ENG
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 INST TECH PRECISION ENG, Bridgestone CorpfiledCriticalINST TECH PRECISION ENG
Priority to JP59216899ApriorityCriticalpatent/JPS6194707A/ja
Publication of JPS6194707ApublicationCriticalpatent/JPS6194707A/ja
Publication of JPH0527525B2publicationCriticalpatent/JPH0527525B2/ja