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Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
Vch Publishers Inc Derfield Bach
Geological Society of America
Published Biweekly by The American Chemical Society
The Society of Tribologists and Lubrication
Blackwell Scientific Publications
The Society Petroleum Engineers
M. Friedman, Elsevier Science Publisher