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1 janv. 1972 - Aperture Science constructs at least Chambers 01 and 02 of the Propulsion Gel Testing Facility. (Portal 2 - Trivia)

Description:

- 1972
- Aperture Science constructs at least Chambers 01 and 02 of the Propulsion Gel Testing Facility.

Ajouté au bande de temps:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora
25 déc. 2018

Date:

1 janv. 1972
Maintenaint
~ Il y a 52 ans
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