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.)
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Filing date
Publication date
Application filedfiledCritical
Priority to JP2805179ApriorityCriticalpatent/JPS55120418A/ja
Publication of JPS55120418ApublicationCriticalpatent/JPS55120418A/ja
Publication of JPS5627322B2publicationCriticalpatent/JPS5627322B2/ja
JP2805179A1979-03-111979-03-11Manufacture of thin diameter steel pipe with inner surface provided with metallic or alloy protective coat
GrantedJPS55120418A
(en)