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and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and
Venezuela is 60
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One of
Research Enterprise's more popular products was a series of CRTs used for radar and radio navigation systems. Here the insides of the tubes are being coated with phosphorus paint to produce the display
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Nicholas Morant, National Film Board of Canada, Collections Canada MIKAN no. 3597875
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in Canada because its copyright has expired due to one of the following:
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
