Process for producing raw material applicable as constructive material for manufacturing gas-packin heat and/or chemicals resistant expansion distance pieces
HUT58393A
Structure groups for sanitary engineering mountings
DD283675A5
Hot water boiler
HUT51937A
Electrofilter for selecting floating grains from gas flow
HU197623B
Hot-water producing boiler particularly for district-heating systems
DD261557A5
Method for producing a layering material
HUT56618A
Cooling-aggregate set assembled in output series and established in container-like way
HUT42839A
Collector structure for heating up fluids by solar energy
HU40814A2
Process for preparing at high temperature elastic material of low air permeability
HUT38977A
Process for anti-corrosive protection external and internal surface of sanitary tubes and fittings
HUT37240A
Device for compensating heat expansion of tubings
PL243702A1
Water supply system for supplying hot water to consumers
DD215601A5
Circuit
HUT37252A
Method for controlling one by one the radiators of single-pipe heating eqipments according to room temperature
HUT35321A
Device for ventilating multiple-storied buildings
HUT45602A
Hot-water storage sanitary mounting block
HU185339B
Method for adjusting air-conditioning systems, preferably flat ventillation systems
HU183748B
Device for supplying consumers with hot water of use
HU183743B
Method for bending tubes made of thermoplast
HU189503B
Radiator control valve advantageously for single-pipe heating systems
