TY - SER ED - Aluminum Company of America. [from old catalog] TI - Welding Alcoa aluminum U1 - 671.52 PY - 0000///[n.d.] CY - Pittsburgh. KW - Aluminum alloys KW - Aluminum KW - Brazing KW - MCE KW - Welding N1 - Serial; 0; 0; 0; 671_520000000000000_WEL ER -