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American petroleum institute
AMERICAN SOCIETY FOR TESTING AND MATERIALS
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
The American Chemical Society
The American Chemical Society
Geological Society of America
Blackwell Scientific Publication
Geological Society of India
The Perkin Elmer Corporation
The American Society of Lubrication Engineering
Blackwell Scientific Publications
The Society Petroleum Engineers