Assignee

LEHMANN KLAUS

DE·1 granted patent·41 citations·filing 1983–1983

Technology mixF24S1 Y02A1 Y02B1 Y02E1

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0182US4607616ARoof cladding or similar building element allowing heat exchange with the environment and usable particularly as a solar energy collectorLEHMANN KLAUS·Filed 1983·Granted Aug 26, 1986·41 cites·9 claims

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