249 A.2d 681 AMERICAN FEDERATION OF STATE, COUNTY AND MUNICIPAL EMPLOYEES, AFL-CIO, LOCAL #572 v. DOVER. No. 5866.Supreme Court of New Hampshire Strafford.Argued January 7, 1969. Decided January 31, 1969. 1. Where a collective bargaining contract between municipal employees and a city provided that the final appeal of grievances was to the personnel advisory board […]