ΠΠ-7-45 (pp. 1280-1281)

Building P; Rooms 5-6 ... ΠΠ-7 1280, 1281 ΠΠ 466 P 19256 ΠΠ 462 A 1367 ΠΠ:1948.0401:28 ... Apr 1 1948