Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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H04L12/54
Store-and-forward switching systems
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H04L12/56
Packet switching systems
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H04L12/5601
Transfer mode dependent, e.g. ATM
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H04L2012/5625
Operations, administration and maintenance [OAM]
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