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MARKED KEG/CASK SEAL, AND METHOD FOR DETERMINING THE AGE OF A KEG/CASK SEAL
MARKED KEG/CASK SEAL, AND METHOD FOR DETERMINING THE AGE OF A KEG/CASK SEAL
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机译：标记的KEG /桶密封件，以及确定KEG /桶密封件年龄的方法
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摘要
A keg/cask seal for a keg or cask containing a beverage is disclosed. A color mark is arranged in a geometrically defined shape on a top side of the keg/cask seal. The geometrically defined color mark allows a conclusion to be drawn about the time lapsed since the keg/cask seal was installed.
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