首页>
外国专利>
METHOD AND CIRCUIT ARRANGEMENT FOR CENTRALIZED CONTROL OF COMMUNAL SUPPLIES, PREFERABLY REMOTE HEAT SUPPLY, OF REAL ESTATES WITH SOUND-FREQUENCY CIRCUIT-CONTROLLING SYSTEM
METHOD AND CIRCUIT ARRANGEMENT FOR CENTRALIZED CONTROL OF COMMUNAL SUPPLIES, PREFERABLY REMOTE HEAT SUPPLY, OF REAL ESTATES WITH SOUND-FREQUENCY CIRCUIT-CONTROLLING SYSTEM