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.)
OOSAKA GASU KK
YOEI SEISAKUSHO KK
Original Assignee
OOSAKA GASU KK
YOEI SEISAKUSHO KK
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 OOSAKA GASU KK, YOEI SEISAKUSHO KKfiledCriticalOOSAKA GASU KK
Priority to JP7173080ApriorityCriticalpatent/JPS56168054A/ja
Priority to DE3121220Aprioritypatent/DE3121220C2/de
Publication of JPS56168054ApublicationCriticalpatent/JPS56168054A/ja
Priority to US06/448,276prioritypatent/US4444156A/en
Publication of JPS622670B2publicationCriticalpatent/JPS622670B2/ja