Region
- United States 189 results
- Poland 30 results
- Virginia 16 results
- China 13 results
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- Hungary 10 results
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- Wisconsin 8 results
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- Israel 6 results
- Japan 6 results
- Louisiana 6 results
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- Pennsylvania 6 results
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- Alabama 4 results
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- Greece 4 results
- Illinois 4 results
- Iran 4 results
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- Michigan 4 results
- Missouri 4 results
- Nanjing (Jiangsu Sheng, China) 4 results
- Southwest, New 4 results
- Soviet Union 4 results
- Ukraine 4 results
- Washington (D.C.) 4 results
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- Africa, North 2 results
- America 2 results more…