EMILIO CARLOS P. DE GOUVEA

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CURITIBA, BR

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Patents Applicationslast 30 patents

Information Patent Application
HEARING PROTECTIVE DEVICE WITH MOISTURE RESISTANT EARMUFF SOUND ABS...
- Publication number 20110225705
- Publication date Sep 22, 2011
- 3M Innovative Properties Company
- RAFAEL P. FERNANDES
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE