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-Corsair- ![](/plaboard/uploads/pv-jpg.gif)
05/17/2020, 18:59:49
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The charts aren't 100% accurate, and omit a few details, but give a good overview of what was adopted and when. I'm surprised the Z-20 wasn't built earlier, it seems to be something that was needed for years and China had access to Blackhawks since the 1980s.
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