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.)
ESUTETSUKU KK
NIPPON GASU KIKI KENSA KYOKAI
Original Assignee
ESUTETSUKU KK
NIPPON GASU KIKI KENSA KYOKAI
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 ESUTETSUKU KK, NIPPON GASU KIKI KENSA KYOKAIfiledCriticalESUTETSUKU KK
Priority to JP21468685ApriorityCriticalpatent/JPS6275227A/ja
Publication of JPS6275227ApublicationCriticalpatent/JPS6275227A/ja
Publication of JPH0378926B2publicationCriticalpatent/JPH0378926B2/ja