Spyros Mastrogiannis

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GR-13400 Kamatero, GR

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical coupling angle (profile) joint for metal concave beams
- Patent number 6,042,298
- Issue date Mar 28, 2000
- Spyros Mastrogiannis
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS