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CSI Division 27: Communications
27 10 00: Structured Cabling (2 products)
27 42 19: Public Information Systems (1 product)
27 51 19: Sound Masking Systems (1 product)
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27 10 00: Structured Cabling (2 products)
27 42 19: Public Information Systems (1 product)
27 51 19: Sound Masking Systems (1 product)
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