GULF OIL CORPORATION
SHELL
CHEMICAL
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GENERAL PETROLEUM CORPORATION A SOCONV MOBIL COMPANY
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Sociéle Nationale des Pêîroles d Aquiteine
Tiirkiye Petrolled A.O.
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J E F F E R S O N LAKE SULPHUR
COMPANY
CALTEX
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A U R O R A GASOLINE COMPANY ^B
CALLÈRY CHEMICAL COMPANY
LEONARD REFINERIES INC.
PETROLEUM MAATSCHAPPIJ (NFRPRl ΑΝΠ] Μ V
the
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and ^narkelers
Victim
Petroleum
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HANCOCK CSIEHICAI. (VIMPANÏ
AMERICAN OIL COMPANY
Co., Inc.
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PARSONS
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THE RALPH M . PARSONS
Ν EW Y O R K PASADENA WASH I N G T O N
COMPANY
ANKARA BAGHDAD BEIRUT J EDDAH KARACHI NEW DELHI PARIS
ENGINEERS» CONSTRUCTORS LOS ANGELES For further information, circle number 49 A on Readers' Service
Card, page 115 A VOL. 4 9 , N O . 5
·
MAY
1957
49
A
