Thusday QR big party
* Qatar Airways to take 35 percent stake
* Deal to be signed on Thursday
* Qatar Airways seen as long-term investor
BRUSSELS, June 8 (Reuters) - Qatar Airways is on the verge of buying a 35 percent stake in Cargolux, providing a long-term investor for Europe's largest all-freight airline.
A Cargolux spokeswoman said on Wednesday that a deal would be signed on Thursday, with Qatar Airways acquiring holdings that the Luxembourg state and other groups bought during the economic crisis.