Propane Education and Research Act of 1996教育和研究的丙烷(1996年) Production Engine Remanufacturers Association生产引擎Remanufacturers协会 Public Employees Retirement Association公共雇员退休协会 Pediatric Equity Research Act of 20032003年的儿童权益的研究 Planning & Engineering for Repairs & Alterations规划及工程维修和改造 Public Employment Relations Act (various states)公共就业关系法(不同) Production Equipment Rental Association生产设备出租协会 Presidential Election Reform Act总统选举的改革法案 Planning and Engineering for Repair Activity规划及工程维修活动 Partnership for Educational Revitalization in the Americas合作教育振兴的地方 Purdue Enterprise Reference Architecture普渡大学的企业参考架构 Proyectos Educativos Regionales de AutoayudaProyectos德Autoayuda Regionales及