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American petroleum institute
American petroleum institute
American petroleum institute
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
American Association of Petroleum Geologists
The American Chemical Society
American Institute Of Chemical Engineers
Blackwell Scientific Publication
Geological Society of India
The Perkin Elmer Corporation
Published Biweekly by The American Chemical Society
The American Society of Lubrication Engineering
Blackwell Scientific Publications
The Society Petroleum Engineers