(Based on the rules of "Generalized Cabling System Engineering Design Specification" GB50311-2007, the original "Building and Building Group Generalized Cabling System Engineering Design Specification" GB/T50311-2000 has been abolished. Therefore, the general wiring project of the provincial building should be strictly in accordance with the "Generalized Cabling System Engineering Design". Design Specification "GB50311-2007")
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