P
PatentIndex
Search
Landscape
Sign in
Inventor
SPRINGSTUBBE WOLF
2 patents
Patents
2 patents
US4351985A
Sep 28, 1982
Coupling system for a telecommunication exchange installation
SIEMENS AG
3 citations
57
US4336527A
Jun 22, 1982
Digital-to-analog converter
SIEMENS AG
4 citations
57