June 8 (Reuters) - Nibe Industrier AB NIBEb.ST
* Nibe acquires 65 pct of the shares in Canadian ventilation company Tempeff
* Says has option to acquire the remaining 35 pct in due course
* Tempeff has approximately 50 employees and annual sales of just over CAD 10 million (approx 70 mln SEK) with an operating margin exceeding 10 pct Further company coverage: NIBEb.ST