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National Petroleum Refiners Association
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1971 NPRA question & answer sessions on refining technology & computer applications
National Petroleum Refiners Association. · Petroleum Pub. Co.
208 sayfa · 1972
Congresses / Data processing / Petroleum / Refining
1972 NPRA question & answer session on refinery maintenance
National Petroleum Refiners Association. · Petroleum Pub. Co.
144 sayfa · 1972
Congresses / Maintenance and repair / Petroleum refineries
Final report
National Petroleum Refiners Association · API Pub. Services
Sayfa sayısı yok · 1997
Petroleum industry and trade / Statistics / Petroleum refineries
Digest of state gasoline tax laws
National Petroleum Refiners Association · The Association
Sayfa sayısı yok · 1962
Gasoline / Taxation / States