Are co-axial rotor helicopters still built and used anymore?

Question:
does anyone know if co-axial rotor helicopters are still used or are they obsolete?

Answers:

the fastest rocket?

The Russian KA-25 and KA-50 are still in use. I believe that the KA-50 is still in production.

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Anyone else like Boeing. I think they rock and the 787 is awesome.?

Yes the Russian company Kamov produces them and I think their might be some others as well.

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