HEAT RECOVERY DEVICE PARTICULARLY USED IN AIR CONDITIONING AND SIMILAR SYSTEMS.

IT7435753U1Inactive Publication Date: 1975-10-05CONTARDO ANTONIO

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Patent Information

Authority / Receiving Office: IT · IT
Patent Type: Utility models
Current Assignee / Owner: CONTARDO ANTONIO
Filing Date: 1974-04-05
Publication Date: 1975-10-05
Estimated Expiration: Not applicable · inactive patent

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