POLYCONCEPT HOLDING B.V

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ROELOFARENDSVEEN, NL

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric lighter with increased security
- Patent number 7,641,471
- Issue date Jan 5, 2010
- Polyconcept Holding
- Aman Kai Man Chung
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES