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1 janv. 1976 - Aperture Science constructs at least Chamber 05 of the Propulsion Gel Testing Facility. (Portal 2 - Trivia)

Description:

- 1976
- Aperture Science constructs at least Chamber 05 of the Propulsion Gel Testing Facility.

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Half-Life and Portal Universe Timeline

ByThe Fancy Fedora

25 déc. 2018

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Date:

1 janv. 1976

Maintenaint

~ Il y a 49 ans

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