REVETEMENT DE SURFACE ANTI-GRIPPAGE POUR MOYEN D'ASSEMBLAGE DE TUBES PAR FILETAGES ET PROCEDE DE REALISATION D'UN TEL REVETEMENT
The anti-friction coating according to the invention is concerned with the protection of the surfaces of the male 7 or female 2 components of a means 1 for connecting metal tubes by means of threads (11, 6) which come into contact against one another at the moment of screwing. This coating consists...
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