Johannes H. L. A. Hilderink

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Buurse, NL

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Patents Grantslast 30 patents

Information Patent Grant
Spring-drive mechanism for electric switches
- Patent number 4,119,820
- Issue date Oct 10, 1978
- Hazemeijer B.V.
- Johannes H. L. A. Hilderink
- H01 - BASIC ELECTRIC ELEMENTS