00421nam a22001697a 4500 CEME 20210628203925.0 210309b xxu||||| |||| 00| 0 eng d 0-07--12741-7 . 621.38174 PRI Coombs, C. F 67867 Soldering, printed circuits workbook services VOL-3 NEWYORK MCGRAW HILL 1990 BK ddc 575553 575553 0 0 0 0 CEME CEME GEN 2017-08-01 0 621.38174 PRI CEME-28176 2021-06-28 2021-06-28 BK