| 1976 |
Application of clear protection - Germany (RFA) and Switzerland (CH) |
| 1980 |
Extended laboratory testing |
| 1982 |
Tests in Belgium (B), Netherlands (NL), Germany (RFA), Switzerland (CH) and Austria (A) |
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Evaluation |
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Inventories of the Belgian Artistic Heritage (natural stone) |
| 1983-1984 |
More than 70 buildings in Europe protected |
| 1985 |
Introduction to European market |
| 1992 |
Introduction to Canadian market |
| 1996 |
Application to CNRC for evaluation |
| 1996-2002 |
Evaluation process |
| 2002 |
Process complete and CCMC Certification awarded |
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