00763cam a22002051 4500 sa 64006131 DLC 20260227112037.0 861104s1962 ii a 000 0 eng sa 64006131 PL480:I-E-1844 (OCoLC)14632391 DLC WaU DLC HD8039.G52 I5 India (Republic). National Employment Service. Educational and technical training requirements of production process workers in the glass industry, excluding the manufacture of scientific glass apparatus. [New Delhi, Ministry of Labor and Employment, Directorate General of Employment and Training] 1962. 44 p. illus. 25 cm. Glassworkers India. 59533 59533