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Process Laboratories Oil and Gas Technology Research Development “Centreâ€
WAPOGA MUTIARA TIMBER, PT
SOCIETRY, Of econimic paleontologists mineralogists
CHEREMISINOFF, Nicholas P
AMERICAN SOCIETY FOR TESTING AND MATERIALS
AMERICAN, Institute Of Chemcal Engineers
American petroleum institute
American petroleum institute
American Association of Petroleum Geologists
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia