http://industrikimia.com/berita/sinopec-operasikan-pabrik-ethylene-oxide-c2h4o-dengan-teknologi-meteor-process Info & Tutorial Seputar Industri Kimia, Pabrik Kimia dan Bahan Kimia Wed, 16 Nov 2011 08:08:42 +0000 http://wordpress.org/?v=2.9.1 hourly 1