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Kaczensky; Friedrich
Putzbrunn, DE
No. of patents:

Patent Number Title Of Patent Date Issued
4415231 Radiation shutter, especially for a laser November 15, 1983
The radiation emitted by a radiation source, such as a laser, is substantially prevented from exiting from the radiation source by a shutter in the radiation path. To make the shutter substantially fail-safe, two filter and/or diaphragm systems are switchable into the radiation path

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