I got a bunch of Aerotech 24 mm E18 reloads from a hobby shop closing down. I believe they are from the mid-1990s. They are packaged one per pack although Aerotech now sells them in three packs. There are no date codes and I think per NFPA at some point motors were required to have a code in the package. If you look at the price I think they were priced at the three pack price back then. In order to narrow down a date, does anyone know:

1) When the Aerotech E18 was first released?
2) When the 3 packs were released?

Thanks

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