Help and identify my bike frame

[chbr2a]

Hi, I have buy this bike last summer. bike is resprayed from unknown reason.
it is full LX BIKE with arraya wheels, and ritchey components. it is really good bike but i have one BIG problem.

I can't identify frame. maybe some of you, expert in early 90's bikes can help to me ?

here are pics:
http://i.imgur.com/nWYsiZt.jpg
http://i.imgur.com/6afPf8s.jpg
http://i.imgur.com/8tfmQag.jpg
http://i.imgur.com/eLU5nAc.jpg
http://i.imgur.com/aMmSUTm.jpg

bike is in very good condition and all parts seems like is orginal, even front tire was some old schwalbe tire.
i also have frame number- if it's will help.

P.S. sorry about my bad english, i am from croatia.