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SMALL, Business Publications
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
Vch Publishers Inc Derfield Bach
The American Chemical Society
American Institute Of Chemical Engineers
Blackwell Scientific Publication
The Society of Tribologists and Lubrication
Blackwell Scientific Publications
The Society Petroleum Engineers