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Otto Karl

SA Siemens Aktiengesellschaft: 1 patents #143 of 603Top 25%
Overall (1982): #40,079 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355386 Time-division multiplex digital switching network for a PCM telephone exchange system utilizing duplicate connecting field installations Reiner Binz 1982-10-19