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Melhora na resistência (nov 6, 1970 – sep 12, 1980)

Description:

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

Added to timeline:

Historia do cimento

9 Nov 2017

0

0

797

Date:

nov 6, 1970

sep 12, 1980

~ 9 years and 10 months

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