GOST twenty, GOST ten
GOST twenty, GOST ten
GOST twenty refers to GOST 20295-85, pipes for main pipelines. GOST ten refers to GOST 10705 , longitudinal electric-welded general application pipes.
For details see:
GOST twenty refers to GOST 20295-85, pipes for main pipelines. GOST ten refers to GOST 10705 , longitudinal electric-welded general application pipes.
For details see: