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Trailer having reduced weight wall construction

Mineral oils: apparatus – Condensing – Dephlegmators or fractionating columns
Reexamination Certificate

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Trailer having reduced weight wall construction

Mineral oils: apparatus – Condensing – Dephlegmators or fractionating columns
Reexamination Certificate

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Tray apparatus for deasphalting and extraction

Mineral oils: apparatus – Solvent extraction
Patent

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Tube furnace for the cracking of organic feed stock

Mineral oils: apparatus – Vaporizing – Furnaces and flues
Patent

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Tube furnace for the cracking of organic feed stock

Mineral oils: apparatus – Vaporizing – Furnaces and flues
Patent

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Tube furnace, especially for the cracking of hydrocarbons

Mineral oils: apparatus – Vaporizing – Tubular
Patent

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Two stage separation system

Mineral oils: apparatus – Solvent extraction
Patent

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Two-stage oil bypass filter device

Mineral oils: apparatus – Refining – With filtration
Patent

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Vertical tube type cracking furnace

Mineral oils: apparatus – Vaporizing – Tubular
Patent

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Vibratory conveyor with non-biased oscillation

Mineral oils: apparatus – Condensing – Dephlegmators or fractionating columns
Reexamination Certificate

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Waste oil purifying apparatus

Mineral oils: apparatus – Refining – With filtration
Patent

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