Tauchkolben zum Foerdern von Erdoel und Fluessigkeiten aus Bohrloechern

申请公布号：DE1233802(B)

申请号：DE1961O007862

申请日期：1961.02.09

申请公布日期：1967.02.09

申请人：

ORSZAGOS KOEOLAJ I¬ ES GAZIPARI TROESZT

发明人：FEKETE DIPL.-ING. IMRE;HORNYOS DIPL.-ING. JANOS

分类号：E21B43/12

主分类号：E21B43/12

Extraction of substances in low concentrate - ions in fluids by expanded polyurethane

Preparation of aromatic amines

Semiconductor surface stabilisation

3-5-diphenyl-3-oxy-thiacyclohexane-1-oxide

Computer controlled aluminium production

Elastic cloth coated with plastic sheet

Flexible hydrophilic polyurethane foam - suitable as a sponge

Side walls for cold rooms or refrigerated - ware houses

IMPROVEMENTS IN OR RELATING TO CONVEYORS AND CABLE HANDLER TROUGHS

HYDROCARBON CONVERSION EMPLOYING HIGHLY SELECTIVE CATALYSTS

PRODUCTION OF EDIBLE TUBULAR COLLAGEN CASING

IMPROVED MEANS FOR MOUNTING GLASS PANES IN APERTURES

METHOD OF PRODUCTION OF AN ALLOY, AND THE ALLOY THEREBY OBTAINED

SEMICONDUCTOR DEVICES

ELECTROLYTIC COULOMETER CELLS

BASIC AZO DYESTUFFS AND PROCESSES FOR THEIR MANUFACTURE

RESOLUTION OF alpha-AMINOCAPROLACTAM AND N-CARBAMOYL-VALINE

MULTI-LAYER WINDINGS FOR POSITION MEASURING TRANSFORMERS

REDUCING VIBRATION IN ENGINES

CONDUITS COMPRISING TWO CO-AXIAL HELICALLY-CORRUGATED PIPES AND FITTED WITH END CONNECTION MEANS