Code of practice for general engineering drawings /
NA
Code of practice for general engineering drawings / - 2nd. - New Delhi, Indian Standards Institutions, c1973. - 82p. ; ill. ; 27 cm.
NA
ACC. No. 1335
604.2
Code of practice for general engineering drawings / - 2nd. - New Delhi, Indian Standards Institutions, c1973. - 82p. ; ill. ; 27 cm.
NA
ACC. No. 1335
604.2