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Le mardi 28 janvier 2020 06:20:29 UTC+1, AS a écritÂ*:
On Tuesday, January 28, 2020 at 12:10:26 AM UTC-5, Tango Whisky wrote: Patents run for 20 years, so anything connected to Grob gliders will have expired long ago. ..... unless they get renewed. Uli 'AS' You can't renew a patent after 20 years. It becomes public domain, and that's it. |
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