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This wiki has 3 patents in category "Advertisement".
Patents in category Advertisement
- Patent FR-1908-pc (English title: Aerial advertising, Inventors: Senard)
- Patent FR-1869-86239 (English title: application of aerostats to publicity, Inventors: Digeon, Filing date: 1869-06-07)
- Patent FR-1908-394419 (English title: Advertisement balloons, Inventors: Alphonse Sénard, Filing date: 1908-06-16)
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