Actuant Corporation, Milwaukee, WI, reported sales of $385 million for the third quarter ended May 31, 2007, up 22% over the same period a year ago. Net earnings were $29.6 million, about the same as a year ago.   ; The Industrial Segment generated double-digit core sales growth while the Actuation Systems Segment reported a year-over-year sales decline due to prior-year convertible top launches and the North American heavy duty truck pre-buy.   ; Sales for the nine months ended May 31, 2007 were $1.069 billion, or 22% higher than the $877 million in the comparable prior-year period. Excluding the impact of foreign currency rate changes and sales from acquired businesses, core sales increased 7%.