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 HOME > Promotion / Business > Certifications
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| Certifications |
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| Official standard |
Industrial rights
(Patents, Utility Model rights, Trademarks, Design rights) |
| Types |
Date of acquisition |
Products |
Types |
Date of acquisition |
Products |
| KS |
2.26.1997 |
Aluminum |
Design |
4.13.2001 |
Double windows(170MM) |
| ISO9001 |
1.15.1997 |
Aluminum |
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Past Performance
