00302cam a22000977a 4500008003600000082001600036100002000052245006400072260006000136300000800196180718b   xxu||||| |||| 00| 0 eng d  aU24x43 G317  aHalbach, Gunter  aWorkers' inventions and their recompensecby Gunter Halbach  abFederal Ministry of Labour and the Social Structurec  a14p