https://studylib.net/doc/14395358/the-parabolic-reflector-antenna-in-radio-astronomy-and-co...
The Parabolic Reflector Antenna in Radio Astronomy and Communication
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https://www.epo.org/en/boards-of-appeal/decisions/t820036ep1
T 0036/82 (Parabolic reflector antenna) of 25.10.1982
parabolic reflector25 10003682antenna
https://en.wikipedia.org/wiki/Parabolic_aluminized_reflector
Parabolic aluminized reflector - Wikipedia
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