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About GRG
Everything about the GRG in one app!
The GRG App bundles all important information in one place: news about the company, developments in the industry and knowledge about the building cleaning trade.
What's new in the latest 1.5
Last updated on 2023-10-25
Stabilitätsverbesserungen und Bugfixes.
Videos and Screenshots
Old Versions of GRG
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