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.)
KEISATSUCHIYOU CHOKAN
NTT Inc
Original Assignee
KEISATSUCHIYOU CHOKAN
Nippon Telegraph and Telephone 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 KEISATSUCHIYOU CHOKAN, Nippon Telegraph and Telephone CorpfiledCriticalKEISATSUCHIYOU CHOKAN
Priority to JP25884084ApriorityCriticalpatent/JPS61137435A/ja
Publication of JPS61137435ApublicationCriticalpatent/JPS61137435A/ja
Publication of JPH047854B2publicationCriticalpatent/JPH047854B2/ja