00369nam a22001097a 4500082001300000100001900013245008600032260001500118942000700133999001700140952010200157  a621.3WEI  aWeiher Sigfrid  aThe siemens company its historical role in the progress of electrical engineering  aUSAbACHEI  cBK  c57575d57572  00104070aQUESTCLbQUESTCLd2017-05-04l0o621.3WEIp11002r2017-05-04 00:00:00w2017-05-04yBK