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GB1486144A
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Gasoline additive
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US3922316A
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Preparation of a brominated fire retarding agent
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US3898880A
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Electronic supervisory monitoring method for drilling wells
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Novel sulfanilamide-aldehyde copolymer
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Production of crude oil facilitated by injection of carbon dioxide
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US3857805A
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Hydrocarbon wax composition
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US3899032A
|
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Method and apparatus for deviating conductor casing
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US3885624A
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Process for carbon dioxide manufacture
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US3912845A
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Article comprising a substrate coated with an aminobenzenesulfonamide-aldehyde interpolymer intumescent composition
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US3911973A
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Fuel vapor seal device
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US3912684A
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Pelletized semi-vulcanized butyl rubber
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US3904700A
|
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Flame-retardant composition
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US3913352A
|
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Automatic kelly bushing hold-down device
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US3845196A
|
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Fireflood pollution prevention
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US3841419A
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Control of colligative properties of drilling mud
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US3903109A
|
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Halo imide fire retardant compositions
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US3835049A
|
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Oil spill control
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US3842607A
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Arctic islands
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US3824767A
|
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Demistor
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US3923734A
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Flame-retardant compositions
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