ULTRARIGHT PARTY IN BONN IS DIVIDED; Dismissals Indicate Battle for Power Rages Between Thielen and von Thadden Ultrarightist Party in Bonn Is Split
Natl Dem chmn Thielen expels von Thadden and 7 Lower Saxony officials from party; Bremen state exec reptdly ousts Thielen from party; Govt deputy spokesman Ahlers comments; party power struggle discussed