DIGIKROM by SPECTRAL, LLC (Track this)
Intl: (009) Electrical and scientific apparatus US: 026 Filing date: 09-Feb-1989 Serial number: 73779697
KROM SCHRODER by ELSTER GMBH (Track this)
Intl: (006) Metal goods; (009) Electrical and scientific apparatus; (011) Environmental control apparatus US: 013; 021; 026; 031; 034 Filing date: 18-Jun-1984 Serial number: 73485628