Author Topic: Concrete vs. Steel  (Read 3978 times)

jack

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Engineer Forum

Concrete vs. Steel
« on: April 04, 2007, 06:11:35 AM »

fd.tech

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so can help
« Reply #1 on: March 02, 2009, 11:50:34 AM »
hello
can you inform me about hollow concrete block specifications.
thanks