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 Sumitomo Electric IndustriesfiledCriticalSumitomo Electric Industries
Priority to FI860506ApriorityCriticalpatent/FI89739C/en
Publication of FI860506A0publicationCriticalpatent/FI860506A0/en
Publication of FI860506ApublicationCriticalpatent/FI860506A/en
Publication of FI89739BpublicationCriticalpatent/FI89739B/en
Application grantedgrantedCritical
Publication of FI89739CpublicationCriticalpatent/FI89739C/en
FI860506A1986-02-041986-02-04
Composite pipe, method for making a composite pipe and method for connecting the ends and heating pipes of the composite pipes
FI89739C
(en)