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(Technical center of natural building materials)
- A technical center for natural building materials, fired clay material and natural stone.
- CTMNC is a technical center working on the research code system (articles L341-1 and the nexts).
- It was founded in 1957 further to a request of bricks and tiles industrials and expanded in 2007 following a request of professionals in the ornamental and building natural stone domains.

- CTMNC in brief
- Public market and AFT
- Main equipments
- Contact and access
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