Eley.....1114-02164. The first 2 digits is the product code, in this case Match. Now Match can also have a 10 product code, which is Tenex. There is a bunch of Match with this product code. It simply means the lot started as Tenex and was QC'd down to Match. I am not familiar will all the other product codes. Perhaps someone else will post with more info. The second 2 digits are year of mfg, in this case, 2014. The next 2 digits are machine number, 02, machine 2. The final 3 digits are the lot number for machine 2 produced in 2014. On some boxes there is another 4 digit number under the lot number. That number would be speed in FPS. The newer ammo does not have speed listed anymore.
Lapua is a bit more complicated. 28554/603733. I was explained this from Daniel at the test center in Mesa. Going by my notes. The first 2 digits are the speed....28. You need to add a 3 in front of those, so, 328 meters per second. Handy, huh? The third digit is their code for bullet type, 5. The next 2 digits are year of mfg, 54.....2019. 53 ammo is 2018, 52 ammo is 2017....etc. Also handy, eh? After the slash I was told the next 2 digits were an internal code. The final 4 digits are the lot number.
Best I can do, hope it helps.