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Discontinued.
More info in German for HM412-3 at Radiomuseum.org
Discontinued.
More info in German for HM412-4 at Radiomuseum.org
Manual for HM412-4 here.
Discontinued.
More info in German for HM412-5 at Radiomuseum.org
Manual for HM412-5 here.
HM412-???
Discontinued.
(from ebay)
