This is the postcode category of Kanton Aargau, Switzerland.

这是瑞士阿尔高州的邮政编码分类。

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Canton Aargau is composed of Switzerland's most fertile farmlands, celebrated for fruit, vegetables and the famous Carrot Cake.

阿尔高州由瑞士最肥沃的农田组成，因出产优质水果、蔬菜和闻名遐迩的胡萝卜蛋糕而广为传颂。

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In 1712, in Switzerland the Treaty of Aargau was signed which ended the Swiss war and guaranteed Protestant superiority over Catholic Cantons.

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