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- Wed Nov 24, 2021 12:11 am
- Forum: Window Reviews
- Topic: Okna 500 vs 600 series
- Replies: 11
- Views: 31614
Re: Okna 500 vs 600 series
I am also very much keen to know the difference between two things, so I have researched a lot. And I have jotted down various important things and I am writing those down - The Okna 600 series is stronger and has structural reinforcement but many people forget it also has a few other features the 5...
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