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PPPTMGB "LEMIGAS"
PPPTMGB "LEMIGAS"
PPPTMGB "LEMIGAS"
DIT. TEKNIK PERTAMBANGAN SUB. DIT. KONSERVASI JKT.
USAHA PEJUANG REPUBLIK INDONESIA (UPRI)
PERTAMINA UPPDN V SURABAYA
ASHTON MERCUA BUANA MINING, PT
Process Laboratories Research and Development Centre for oil and Gas Technology
Project no. 61C0148 Department of Refining and Petrochemistry Indonesian Petroleum Institute