ET3 or ET-3 may refer to:
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Electronics Technician (US Navy), Third Class, United States Naval rating
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ET3 (Greece)
ERT3 (, "ERT Tria") is a Greek free-to-air television channel owned and operated by state-owned public broadcaster Hellenic Broadcasting Corporation (). It is an entertainment channel, and although it broadcasts nationwide, most of its content i ...
, 3rd channel from Ellinikí Radiofonía Tileórasi (ERT), the Hellenic Broadcasting Corporation
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Earl Thomas (defensive back)
Earl Winty Thomas III (born May 7, 1989) is an American former professional football player who was a safety in the National Football League (NFL). He played college football for the Texas Longhorns and received consensus All-American honors a ...
, an American football free safety for the Seattle Seahawks
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Vespa
Vespa () is an Italian brand of scooters and mopeds manufactured by Piaggio. The name means wasp in Italian. The Vespa has evolved from a single model motor scooter manufactured in 1946 by Piaggio & Co. S.p.A. of Pontedera, Italy, to a ...
ET-3, model produced between the 1970s and the mid-1990s
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Evacuated Tube Transport Technologies, a business committed to the implementation of Evacuated Tube Transport (ETT)
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Endothelin 3
Endothelin-3 is a protein that in humans is encoded by the ''EDN3'' gene.
The protein encoded by this gene is a member of the endothelin family. Endothelins are endothelium-derived vasoactive peptides involved in a variety of biological functions ...
, a protein, member of endothelin family
{{Letter-Number Combination Disambiguation