D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.
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D88EC7E8-E3FB-4F6D-A2CE-00F7A1C48C48@1xCreated with sketchtool.Watch from niconico

【山田吉彦】「海の日」と日本の海洋・海防政策の現状[桜H22/7/19]Watch from niconico

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【山田吉彦】「海の日」と日本の海洋・海防政策の現状[桜H22/7/19]

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