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International Year of Chemistry issue of Canada
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Short desc: International Year of Chemistry
Issuer: Canada Date: 10/3/2011 Occasion: International Year of Chemistry Consists of 1 stamp: (See stamps as list) P d=John C. Polanyi Issues with this name: Bulgaria (2012), Canada, Curacao, Equatorial Guinea, France, Indonesia, Israel, Italy, North Korea, North Macedonia, Mozambique, Oman, Paraguay, Peru, Romania, Slovakia, Spain, Sri Lanka, Switzerland, Togo, Uruguay Record of changes |
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