TY - BOOK ED - NATIONAL METALLURGICAL LABORATORY COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH JAMSHEDPUR TI - Documented Survey on Metallurgical Developments, V-3, JULY-DECEMBER 1971 U1 - 669.05 PY - 1971/// CY - INDIA PB - NATIONAL METALLURGICAL LABORATORY COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH JAMSHEDPUR KW - HEAT TREATMENT ER -