Method for testing casting quality and apparatus therefor
CA2317935A1
Adventure challenge entertainment device and educational tool
DE4133905A1
Laminated prestressed concrete railway sleepers - resting on enclosing U=section styro-porous concrete carrier and roadways part, for high-speed travel
DE4133906A1
Combining rail and road public transport in cities - by use of prestressed concrete track with inlaid rails for common use
DD301617A9
Box formed manufactured element for railroad construction
DE4011014A1
Substructure for high speed railways - has trough-like concrete base and has flat steel sheet laid on top of base enclosing a pressurised water filled void
DD291592A5
Plate-full manufactured element for railway
DD301750A9
Tempered rail constructions for high-speed railways
DD275284A1
Tempered track construction for high-speed railways
DD273293A1
Method for tempering track constructions for high-speed railways
DD271137A1
Plate-molded structure for high-speed railways
DD255476A1
Health care based on waessrig-aethanolic medical extracts
DD230903A1
Wind power turbine for better use of the given wind threads, preferably for construction on vessel ships
DD204193A1
Process for fixing salt incolutations in guell pipes
DD207389A1
Rail construction without rail and rail foot
DD201170A1
Stabendverankerung
DD151777A2
Method for producing traffic surfaces from concrete
DD135743A1
Method and multilayer range for producing traffic surfaces of concrete