4. Railways
  5. Traction
  6. Longitudinal rotary shafts

Peter Rohrbach

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.beta.-dithiophosphorylated porpionic acid in lubricants

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic phosphorus compound – wherein the phosphorus is...
Patent

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Fume exhaust device for use above a range

Stoves and furnaces – Stove hoods
Reexamination Certificate

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Lubricant compositions comprising thiophosphoric acid esters...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic phosphorus compound – wherein the phosphorus is...
Reexamination Certificate

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Service recording device for a filter of an extraction hood

Gas separation: apparatus – With signals – indicators – measuring – or testing means – Light signal
Reexamination Certificate

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Stabilized hydrotreated and hydrowaxed lubricant compositions

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-686320

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