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

Descripción:

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

Añadido al timeline:

Half-Life and Portal Universe Timeline

ByThe Fancy Fedora

25 dic 2018

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fecha:

1 ene 1976 año

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~ 49 years ago

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