Hans Gram Andersen

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Patents Grantslast 30 patents

Information Patent Grant
Screening device for a wall opening
- Patent number 5,671,790
- Issue date Sep 30, 1997
- V. Kann Rasmussen Industri A/S
- Hans Gram Andersen
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS