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GB501369A
|
|
Improvements in or relating to the manufacture of lubricating oils
|
|
GB467529A
|
|
An improved fibrous cellulose container for oils and the like
|
|
GB441705A
|
|
An improved manufacture of lubricating oils
|
|
CA357475A
|
|
Petroleum distillate processing
|
|
CA452068A
|
|
Conversion of hydrocarbons
|
|
CA528574A
|
|
Amine derivatives of the reaction products of phosphorus pentasulfide and an olefin, and asphalt compositions containing the same
|
|
CA362130A
|
|
Petroleum distillate processing
|
|
CA452067A
|
|
Hydrocarbon catalysis process
|
|
CA528575A
|
|
Steam reacted product of phosphorus pentasulfide and an olefin, and asphalt cement compositions containing the same
|
|
CA355374A
|
|
Asphalt manufacture
|
