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Melhora na resistência (6 nov 1970 – 12 sept. 1980)

Description:

Introdução do concreto reforçado com fibras e de concretos de alta resistência.

Ajouté au bande de temps:

Historia do cimento

9 nov. 2017

0

0

872

Date:

6 nov 1970

12 sept. 1980

~ 9 years and 10 months

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