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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP8326875ApriorityCriticalpatent/JPS527247A/en
Publication of JPS527247ApublicationCriticalpatent/JPS527247A/en
PURPOSE:To provide a gas back flow baffle Holding substance of lower steam pressure than that used for the treatment section between the reaction section and the reatment section, and manufacture low-loss optical fiber.
JP8326875A1975-07-071975-07-07Unit to manufacture optical fiber material
PendingJPS527247A
(en)
A procedure for the treatment of a mixture of symmetrical and asymmetric diclorotetrafluorethane. (Machine-translation by Google Translate, not legally binding)