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1 How does the GERDA MASTER KEY system work?

29 kwietnia 2019

The Master Key system comprises keys and various types of locks designed so that a single key can be used to open the number of locks specified by the purchaser.…

2 Burglary resistance class, thermal and acoustic insulation. How to interpret entry door parameters?

16 maja 2019

When choosing entry doors, pay attention to some key parameters that reflect their features. Doors aren’t an everyday purchase, hence few people can understand the symbols and numbers describing the…

3 What makes the anti-burglary door safe?

27 lutego 2019

According to statistics, more than a half of all burglaries to houses and flats take place through doors. The intruders usually do not attempt to undertake any sophisticated and more…