0000950136-04-002061 PREM14A 1 20040628 20040628 BHA GROUP INC 0000801128 3564 431416730 DE 0930 PREM14A 34 000-15045 04886333 8800 E 63RD ST KANSAS CITY MO 64133 8163568400 8800 E 63RD STREET KANSAS CITY MO 64133 PREM14A 1 file001.txt PROXY RE MERGER