Ide Albert Van der Velde

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Winschoten, NL

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Patents Grantslast 30 patents

Information Patent Grant
Flame-retardant pressure equalizing valve
- Patent number 6,435,208
- Issue date Aug 20, 2002
- Ide Albert Van der Velde
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...