00484cam a22001571a 4500 669.3 COP Copper Development Association. 40948 Copper alloy resistance materials. London : Copper Development Association, [1943] 43 p. : ill., tables ; 22 cm. 0 0 0 669_300000000000000_COP Copper alloys. 45042 Electric resistance. 45043 MCE 379 ddc BK 548654 548654 0 0 ddc 0 0 MCE MCE 2014-09-03 1 669.3 COP MCE-49 2020-11-06 2020-11-06 2014-09-03 BK