Tokyo and the companies have argued that the plaintiffs ' right to sue expired 20 years after their wartime labor , or that treaties between Japan and China invalidated all individual claims .
Japan /location/country/capital Tokyo
Japan /location/country/administrative_divisions Tokyo
Japan /location/location/contains Tokyo
Tokyo /location/administrative_division/country Japan
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Japan
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Tokyo
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Japan
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Tokyo
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Japan
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Tokyo
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Tokyo
LOCATION
Japan
LOCATION
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