Pakistan -- (30 Sep. 1947) Palau -- (15 Dec. 1994) Panama -- (13 Nov. 1945) Papua New Guinea -- (10 Oct. 1975) Paraguay -- (24 Oct. 1945) Peru -- (31 Oct. 1945) Philippines -- (24 Oct. 1945) Poland -- (24 Oct. 1945) Portugal -- (14 Dec. 1955)