TY - BOOK ED - Proceedings of a Seminar in Wrought copper and copper alloy products( : ED - organised by Indian copper information centre and small industries service institute TI - Wrought copper and copper alloy products: proceedings of a seminar held in Calcutta on September 19, 1969 U1 - 673.3 PY - 1969/// CY - Calcutta PB - Small Industries Service Institute KW - Iron KW - Metallurgy KW - Copper alloys ER -