Vitro Flex S.A. and Cristales Inastillables de Mexico S.A. v. United States, PPG Industries, Inc. L-N Safety Glass, S.A. de C.V. 30 May 1989 - World Trade and Arbitration Materials View Vitro Flex S.A. and Cristales Inastillables de Mexico S.A. v. United States, PPG Industries, Inc. L-N Safety Glass, S.A. de C.V. 30 May 1989 by - World Trade and Arbitration Materials Vitro Flex S.A. and Cristales Inastillables de Mexico S.A. v. United States, PPG Industries, Inc. L-N Safety Glass, S.A. de C.V. 30 May 1989 1989-09-01 1 5 https://kluwerlawonline.com/api/Product/CitationPDFURL?file=Journals\WTAM\WTAM1989041.pdf World Trade and Arbitration Materials