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Deasphalting tar using stripping tower

Mineral oils: apparatus – Solvent extraction
Reexamination Certificate

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Decoking apparatus

Mineral oils: apparatus – Vaporizing – Carbon removers
Patent

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Decoking apparatus

Mineral oils: apparatus – Vaporizing – Carbon removers
Patent

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Deep conversion combining the demetallization and the...

Mineral oils: apparatus – Refining
Reexamination Certificate

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Device for continuous sampling, especially in a distillation col

Mineral oils: apparatus – Vaporizing – Automatic control
Patent

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Device for recovering oil products from oil sands

Mineral oils: apparatus – Solvent extraction
Patent

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Device for recovery of excess gas in an oil/gas treatment plant

Mineral oils: apparatus – Vaporizing – Automatic control
Patent

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Diluent substitution apparatus

Mineral oils: apparatus – Vaporizing
Patent

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Door for a vehicle

Mineral oils: apparatus – Condensing – Contact with cooling fluid
Reexamination Certificate

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Door opening and closing mechanism

Mineral oils: apparatus – Miscellaneous
Reexamination Certificate

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Draw rate signal generator

Mineral oils: apparatus – Vaporizing – Automatic control
Patent

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