IS:9609-(Pt.4)-1991 : ISO:3098-(Pt.4.)-1984. Indian standard technical drawings-lettering : Pt.4 : Cyrillic characters.
Bureau of Indian Standards[BIS]
IS:9609-(Pt.4)-1991 : ISO:3098-(Pt.4.)-1984. Indian standard technical drawings-lettering : Pt.4 : Cyrillic characters. - New Delhi Bureau of Indian Standards 1991 - 7p.
ENG
IS Code / I.S.I
IS:9609-(Pt.4)-1991 : ISO:3098-(Pt.4.)-1984. Indian standard technical drawings-lettering : Pt.4 : Cyrillic characters. - New Delhi Bureau of Indian Standards 1991 - 7p.
ENG
IS Code / I.S.I