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.)
Nippon Steel Chemical and Materials Co Ltd
Original Assignee
Nippon Steel Chemical 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 Nippon Steel Chemical Co LtdfiledCriticalNippon Steel Chemical Co Ltd
Priority to JP14941376ApriorityCriticalpatent/JPS53128014A/en
Publication of JPS53128014ApublicationCriticalpatent/JPS53128014A/en
Publication of JPS5634746B2publicationCriticalpatent/JPS5634746B2/ja
JP14941376A1976-12-141976-12-14Method of and apparatus for protecting through pipes in oil preventing bank or liquid preventing bank
GrantedJPS53128014A
(en)