31457201copper-beryllium alloyPT2026-03-30 21:03:04UF31457202alloy, copper-berylliumNDUF31457203beryllium bronzeNDUF31457204beryllium bronzesNDUF31457205beryllium copperNDUF31457206beryllium copper alloyNDUF31457207beryllium-copper alloyNDUF31457208bronze, berylliumNDUF31457209copper beryllium alloyNDUF31457210copper, berylliumNDBT31438444copper alloyPT