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Issue date Oct 20, 2009
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Cisco Technology, Inc.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date Dec 2, 2008
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Cisco Technology, Inc.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Private VLANs
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Issue date Apr 3, 2007
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Cisco Technology, Inc.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Spanning tree loop guard
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Patent number 7,061,875
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Issue date Jun 13, 2006
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Cisco Technology, Inc.
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Maurizio Portolani
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Private VLANs
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Patent number 6,741,592
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Issue date May 25, 2004
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Cisco Technology, Inc.
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Thomas J. Edsall
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H04 - ELECTRIC COMMUNICATION TECHNIQUE