OPINION — AG — COMPANIES OPERATING COIN OPERATED MUSIC AND AMUSEMENT DEVICES LOCATED ON A FEDERAL MILITARY RESERVATION, ARE NOT SUBJECT TO LICENSE TAX PURSUANT TO 68 O.S. 1971 1503 [68-1503] (COIN OPERATED MUSIC, AMUSEMENT) CITE: 80 O.S. 1971 4 [80-4] (DAVID K. MCCURDY)