130 A. 866 MAINE MOTOR COACHES, INC., Petitioner vs. PUBLIC UTILITIES COMMISSION. Supreme Judicial Court of Maine. Penobscot. Opinion November 18, 1925. Exceptions will not lie to a refusal to issue a writ of mandamus to compel the Public Utilities Commission to issue the certificate provided for in Sec. 4 of Chap. 211, Public Laws, […]