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.)
Tohoku Oki Electric Co Ltd
Toho Gas Co Ltd
Toyo Gas Meter Co Ltd
Original Assignee
Tohoku Oki Electric Co Ltd
Toho Gas Co Ltd
Toyo Gas Meter Co Ltd
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 Tohoku Oki Electric Co Ltd, Toho Gas Co Ltd, Toyo Gas Meter Co LtdfiledCriticalTohoku Oki Electric Co Ltd
Priority to JP3707385ApriorityCriticalpatent/JPS61195044A/ja
Publication of JPS61195044ApublicationCriticalpatent/JPS61195044A/ja
Publication of JPH0378020B2publicationCriticalpatent/JPH0378020B2/ja