Assignee

GRAENGES METALL AB

SE·1 granted patent·1 citations·filing 1979–1979

Technology mixB21D1 B23K1 B23P1 F28F1 Y10T1

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1 record

0120US4437216AMethod of manufacturing a heat exchanger for cooling and heating purposesGRAENGES METALL AB·Filed 1979·Granted Mar 20, 1984·1 cites·7 claims

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