Willem Otto Julius Bottger

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device for supporting solar panel and a solar panel assembly compri...
- Patent number 6,105,316
- Issue date Aug 22, 2000
- Cooperatief Advies en Onderzoeksburo u.a. Ecofys
- Willem Otto Julius Bottger
- F24 - HEATING RANGES VENTILATING