H. W. Stankewitz

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Wetzlar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Combined bright field-dark field incident light illumination apparatus
- Patent number 4,881,802
- Issue date Nov 21, 1989
- Ernst Leitz Wetzlar GmbH
- H. W. Stankewitz
- G02 - OPTICS