Manual relay systems

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Industry

CPC
H04L12/60

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Parent Industries

HELECTRICITY H04Electric communication H04LTRANSMISSION OF DIGITAL INFORMATION H04L12/00Data switching networks

Current Industry

H04L12/60Manual relay systems

Industries

Patents Grantslast 30 patents

Information Patent Grant
2396286
- Patent number 2,396,286
- Issue date Mar 12, 1946
- H04 - ELECTRIC COMMUNICATION TECHNIQUE