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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
The American Chemical Society
Energy Economics Research
The American Chemical Society
American Institute Of Chemical Engineers
Geological Society of India
The Society of Tribologists and Lubrication
Blackwell Scientific Publications
The Society Petroleum Engineers