Wiebe F. Pronker

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Roelofarendsveen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of and an apparatus for frequency selective ultrasonic inspe...
- Patent number 5,303,590
- Issue date Apr 19, 1994
- Fokker Aircraft, B.V.
- Theodorus M. Modderman
- G01 - MEASURING TESTING